Delphi add row to stringgrid. TextLayout;' to the form and 'System.

Delphi add row to stringgrid create to strike these row but doesn't work :-( Add a comment | 1 Answer 3 . Here is some source code: First I fill the grid with Random data: @JerryDodge I Googled for an hour and couldn't find it. I have been using this code to do it: objExcel := TExcelApplication. :) In connection with my previous question I've successfully save string values in StringGrid to my database in one column. EDIT. procedure DeleteRow(Grid: TStringGrid; ARow: Integer); var i: Integer; begin for i := ARow to Grid. Add a TStringGrid object to a form to present textual data in a tabular format. Jump to: navigation, search. You can read it as a string, parse it on the tabs, and put it into another StringGrid. Assuming you are using the VCL, InplaceEditor is a property of TCustomGrid. RowHeights[1] := SG1. Delphi XE4 Firemonkey Grid Control - Styling cells This link/pic shows what I am trying to achieve with a TStringGrid. MoneyGreen+$202020; // a very light green color Canvas. Coloring cells in C++ builder, StringGrid. Then this list should show again in StringGrid without this row. I've seen that some methods are coming from the class TStrings or TObject, and i tried them both but the procedure hello doesn't show. Custom Column or Row for Grid - delphi 10. AdvGlowButton12Click(Sender: TObject); var i,j: I Are you using Lazarus instead of Delphi? I'm not aware of a sorting feature in the standard Delphi StringGrid implementation. How and what is the property that allow me to make String Row or cell selectable. I figured out how to use a colored background in TStringGrid rows - but it looks like I need to refresh when data in those rows changes (so as to get different colors to show up based on the data changes). I would welcome any optimisations or other suggestions on best achieving this. It is of type TInplaceEdit which descents from TCustomEdit. i couldn't find the way to copy selected cell data from a stringgrid, i want the selected data string to be copied to Edit box if possible. How to change color of a cell in a Delphi TGrid Firemonkey component? Hot Network Questions Front I have a heavily modified control based on TStringGrid. (This Stringgrid already had some rows Put liSGRLeft:=0 and liSGRRight:=0 in the form's OnCreate handler. I have data coming from a MDB no problems but need the row to be certain colors for ie '1' = red '2' = green etc. Fmx TStringGrid row color. Font := Font; DefaultRowHeight := Canvas. Row it still returns as -1 in the PopUp menus routines I suspect that the problem is You can set the current grid row as selected like this. firemonkey grid basics. Now I would like to visually extend each row to the right end of the grids ClientRect, i. The Add a comment | 2 Answers Sorted by: Reset to default Delphi StringGrid HighLight row and column. Now you seem to be asking about coloring a column heading, which is similar (just remove the check for Col > 0 and Row > 0, which removes the fixed cells, and adjust the code accordingly; change the Pos to just check what's in the fixed row or Change text size in Firemonkey StringGrid. Row := 99; // later StringGrid1. If you look in the source code you will see ARect. Row] := ''; Also have a look at the TStringGrid. Then he would probably just have do StringGrid1. The Row property is inherited from TCustomGrid (via TDrawGrid and TCustomDrawGrid), where it is defined as. Improve this question. – But tab-delimited text is pretty much universally acceptable. Hot Network Questions Basic, general lexer for a programming language Hebrews 2:11 - If we are brothers of Jesus and share in our Father's inheritance, and Jesus is God, does that imply we also are God? Hardy's ratings of If the code you've tried only deletes the last row, then you're probably just decrementing the RowCount property. I can change the column header color but I lose the Header Text and Header Grid Lines. They were just empty. Also, you don't need local variable MyStringGrid, since you have MyGrid variable declared at form level. What your code is missing is setting your grid parent MyGrid. I'm trying to hide the border (focus rectangle) which Delphi draws around the currently selected cell in a StringGrid. As long as all of the grid is in the "visible" part this works well. That property automatically splits comma- and space-separated tokens in a string. Step-by-step instructions: Drop a TClientDataSet on the form; Doublic-click on the TClientDataSet, hit the INSERT key on the keyboard to add an new field, add one field for each of your grid's columns. That indeed always makes its modifications on the end of the list of rows. I want to set column header height but I dont know that how it do. I've tried using MouseToCell as part of OnClick, but even after setting SG. im using delphi xe8, firemonkey. In onformCreate I define: stringgrid1. So I populate 1 column with buttons. P2 is a derived integer from code - not present - value is 64. but it is not clear what to use (if any) instead of 'header' so you can change text in the rows. However, while the mouse button is down dragging the horizontal scroll bar, I want the grid to scroll live. Stack Overflow. And of course, you need to take care of the situation when a user ends editing a cell and does not edit another cell, for example by clicking outside the TStringGrid. Upvote 0 Downvote. procedure TForm1. Suffice it to say that instead of having complete rows all with the same background colour it is a mish-mash. ) I did use the command Stringgrid. Without default drawing the -4 is not needed anymore! A call to function CellRect(), just to change the Left` property seems like overkill within the Paint method. If there is a '*' in the text it colours the cell in the I'm trying to export data from a stringgrid in delphi 7 to microsoft excel. Other alternative is to use the TVirtualTree in grid mode or TListView. I have nothing more to gain from this question, but to leave it here will do service to future Googlers. (Using the Excel format, for instance, wouldn't work for you If you worked with TStringGrid component, then you saw that in this component the Borland developers not provided the method for row deleting. You have to draw this yourself in an OnDrawCell event handler with WinAPI's DrawText routine. Col and same for the row, and i also know we ca change color on draw cell event. You can do what you describe using a string list to load the file and then SplitString from the StrUtils unit to parse the string. Setting the row sets the property but cannot scroll a non-existing window. The last button is then drawn to Cell[0,0]. Add another I would like to be able to provide an interface whereby users can add rows to a TStringGrid through a popup menu. TStringGrid provides many properties to control the appearance of the grid, as well as events Add a TStringGrid object to a form to present textual data in a tabular format. procedure TForm2. Cells[StringGrid1. Creating your own components is normally regarded as an advanced Delphi topic, but it's I'm not sure how i would capture the row selected by a mouse click and then press a button to delete that selected row in a stringGrid in delphi. Ask Question Asked 10 years, 8 months ago. is at the bottom of the row you would like to make higher, and when the Split cursor comes visible, drag the mouse to the size you would like the row cells to be. TextHeight('Ap') + GridLineWidth + When memory usage is the critical argument, consider using another grid. See Delphi XE4 stringgrid selectcell in FireMonkey – @asd-tm Oh, it was not my suggestion to remove your answer. Rej, your LineAdd does the right thing, but if you use the Rows property of TStringGrid rather than Cells then it becomes much easier. How to insert records with DataSnap. if Odd(Row) then bgBrush. Is there another way to stop the flicker when the grid id being updated. N. This string grid would be to represent a calendar/diary planner etc, each of the main cells would be a day in the month, and the mini cells would represent an early/late/night time frame in the day. sysmatics; Dec 31, 2024; Embarcadero: Delphi; Replies 2 Views 341. I want to allow adding rows to the end (I can do this already) and How do I add row programatically in TDBGrid in Delphi. If we define helper class for TCustomerGrid (we have to 'help' TCustomGrid rather than TStringGrid because that is where the private fields are): "How delete command knows, which cell i want to delete" - Use the TStringGrid. From<Integer>(Row); end; Iam having a stringGrid, The fields in First row are from CSV and in Second row are ColumnNames from a table in DB. TStringGrid provides many properties to control the appearance of the grid, as well as events and methods that take This example displays a string grid, a list box, and a button on a form. Jul 4, 2001 8,620 GB. This is my first post and I am still learning a lot about Delphi and general programming. N-1. Add checkbox in stringgrid Delphi FMX. As for the answer below: StringGrid1. bottomwill give you the end selected row, where the selection stops. The number of strings and associated objects is always equal to the value of the I just want to add new data into new row. Saturday at 5:38 PM. Johan. I want to store every row's id in background and for example when the user try to update any row, i request an update to remote server using that hidden id. Implementation: When the user presses the left mouse button I am using a dirty hack: On OnMouseDown event I capture the mouse cursor and keep it on the current row. Visible[LOCALE_USER_DEFAUL I'm trying to get the text in my StringGrid to center. I have a Navigator and all of my data loaded into the TStringGrid, but I am unable to edit it at all. 1 in a multi-device application (on Windows). Looking at the rest of your code, you should not use a var parameter to pass the string grid reference. I would like to catch when user clicks to the fixed cells (header). Delphi help files are not useful at all as I cannot find all available parameters that I can use in FindStyleResource function. It overwrites my A1 file although it should write to A2. The number of strings and associated objects is always equal to the value of the ColCount property, the number of columns in the grid. I'm doing owner drawing to customize the appearance of the string grid. Row + 1; StringGrid. I think the correct expression would be paging. I also need to allow users to key in data via text Add a TStringGrid object to a form to present textual data in a tabular format. If you are using the automatic way of editing the content of the cell, you can use the following way to move the cursor. I think that is better than adding more and more columns to keep the grid from been to wide. Other buttons in the "hidden" part StringGridRows (Delphi) From RAD Studio Code Examples. But i am not showing id to user in grid. Please tell me what You can set the stringgrid ColCount to the number of fields upfront but should expand RowCount as the loop thru the records progress (To avoid querying the record count first). I have a list in my StringGrid and i want to delete one row by selecting cell and then clicking the button. Using the Excel format would not allow any of the above. e. Viewed 2k times 0 . Delphi I can't get enough of you. In form, there is a StringGrid. ACol is the column coordinate of the cell, and ARow is the row coordinate of the cell, where the first column is column 0, and I am using Delphi 10 Seattle, FireDac, Oracle Database and the TMS Components. Fmx TStringGrid row color . remove the whitespace where there are no columns anymore. I am trying to add a combobox to some rows in a specific column (2); however, I can't get the data to show on the dropdown. With that in mind, you could write code to ensure that the row you no longer want is the one at the end, and then delete the last row. Thanks. I thought that just setting the cell values to their then-existing values would cause the First i calculate what is the total of columns width and then i'm comparing it to the string grid width. RowCount - 1; end; procedure Parts of my stringgrid are eligible drop targets, and some are not (first row is column headings, first column is a sort of index and subsequent columns may be dropped to). Problem occcurs when I "insert" new rows and move the buttons to the "hidden" part. So how In case you actually meant the heights of the cells, you can do this a row at a time like this: procedure TForm1. Does a Windows EDIT control even expose information about the wrapping. StringGrid1SetEditText(Sender: TObject; ACol, ARow: Integer; const Value: string); begin //Use ACol/ARow to know what has changed, and Use TListView instead of TStringGrid. 3. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Following up on SilverWarrior's advice, I located a stringgrid with multiline cell properties. procedure PopulateStringGrid(Grid: TStringGrid; const FileName: string); var Strings: TStringList; Row, Notice that there is no row called N. But when the user need to update any row on grid, they need to know id. This file will be modified in my application from the string grid and then exported to a Don't try to place an actual TCheckBox control inside a TStringGrid. Use the grid's OnDrawCell event with the Win32 API DrawFrameControl() function instead, to draw an image of a CheckBox control inside each cell as needed. @markkk: VCL's TStringGrid has a published FixedRows property. Here is the code I am using I have a form that has a TADVStringGrid. The memo content is . StringGrid1. Map that back to the row and column and again check that against the current selection. I run Delphi 7 Enterprise on an XP SP3 machine. How to fill cell of a string grid using custom color? 0. The ColCount and RowCount properties (inherited from TCustomGrid) define the size of the array of objects. I can't even describe exactly how it is not working; I supect that if I could I would already have solved the problem. You can use the OnClick/OnMouse events with the grid's Objects[][] property to keep track of each cell's checked state as needed. The 'column' one returns a TColumn, or nil if there's no column. Specifically . Description . Follow edited Jun 6, 2011 at 8:41. doesn't work because the ApplyStyling event handler is only called once now (at column create) It may be basic but I'm have a ** of a time finding sample code to change a row color of a stringgrid based on a value from a database in Firemonkey. After loading, I iterate the grid and add a check box to the first column. TextLayout;' to the form and 'System. You can customize the coordinates of the Use Rows to access all the strings for a single row, along with their associated objects. If there are N rows, then the listbox should contain the numbers 0. You can copy from NotePad and paste into any commercial text editor, etc. When I bound FixedCellClick event to the grid, event can only detects the click using the left button of the mouse. DefaultDrawing := False; This is my code: There is a my vcl application. delphi ; delphi-5; tstringgrid; Share. datas(); var iRow: integer; RowData : string; begin {get stringgrid content} for iRow := 1 to Form7. Colin The text isn't there. Assign(Grid. They will track which row is selected, and at the start of the program, the first (called "0") row is selected. The StringGrid component can be Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Is it possible to force a selection in my StrinGrid? I would like to only allow the user to select cells horizontally, even if the mouse may move up and down when selecting, I want to stringgrid to show the selection only on the row where there was the MouseDown. I need to do a cell jump in an FMX TStringGrid. How do I delete a row in a StringGrid? Tnanks, PC how to add an image on the selected field in a dbgrid in Delphi 7. I am sure that this is my problem because, using the above code, when I drop my stringGrid on a form and set it's rowCount (design time or runtime) to 10 then I want to assign a value to Kind property of a cell that is on a Row>4 I get an AccessViolation, but if I do that for a row that is <= 4 the assignment works just fine. Change color of font of TStringGrid's cell. RowCount+1; The new row shows up but when I use the command like Stringgrid. So far I've tried double clicking an entry, pressing F2 and clicking on the Edit button on the In Delphi days, after first loading a CSV file into a stringgrid, to add a single new row at the bottom of the grid with all cells empty, after making the grid editable, ISTR (at 87 yrs old) the code was: Stringgrid1. Looking at its source, it makes use of ColumnByPoint and RowByPoint methods, which are fortunately public. There's actually a MouseToCell method in TCustomGrid, which the StringGrid descends, but it's private. user_A italy. Hence, your problem can be found already on the first line of your question: i [sic!] have a string grid in Delphi 7, with N rows. I am using XE2 and investigating VCL Store drawing information in a separate container, such as an array with the same number of items as their are cells in the grid, then use the grid's OnDrawCell event to paint the cells as needed using the information currently stored in the container. Use ACol and ARow in the event handler's parameters to identify which cell has been modified. Any one of those will provide you access to a THintInfo record that is used to control the behavior of the hint window. So thank you for the inspiration. The first line of the example on the memo becomes: Example 2. UIConsts' for the color's constants. Here's the magic you're looking for - delete your OnDrawCell handler, and create an OnCreate handler for the form. I've managed to get rid of everything but the selection. The StringGrid component, it appears, does not scroll live. I have a StringGrid (connected to a db) and I can change background color of row, but the problem is there is a "padding" (in grey/silver) between cells. g Add a comment | 1 Answer Sorted by: Reset to default Programmatically highlight a stringgrid row. Ok this is the full procedure maybe I simplified it a bit too much. To update the drawing, simpy update the contents of the container as needed and then Invalidate() the grid to trigger a It would be more efficient to move the text comparison into the Button handler. HOME - - - - - - - TUTORIALS INDEX - - - - - - - - - - - - Other material for programmers Bookmark this on Delicious Recommend to StumbleUpon Delphi: The String Grid component This page is information rich, and a has search button at the bottom of the page. your code will just add the specified number of rows to the end of the grid, if that's all you want then that's okay, but your original question implied that you want to insert rows before the last row. You might call methods on the string grid, or access properties, but you are not going to modify the reference. top will give you the top selected row, StringGrid. Each Row in a StringGrid decends from TStrings, so you can assign a row to a TStringList and do a custom sort on that one. The OnClick method of that button defines two actions: 1) to add a new Page2 to the PageControl, and 2) to add a new StringGrid In the new created Page2 . I can set focus on a TEdit by using: TEdit. What is the proper way to change the background color of the Column Headings so I can still see the text and grid lines? I have an AdvStringGrid that I am loading with email information, 2 columns: display name and actual email address. . :) You asked about coloring a column, which is what I demonstrated. unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Cl I have a StringGrid component in Delphi. If I loop through the query but don't write the results to the StringGrid, the process takes around 100ms, so it's not the database that's slowing things down. top will give you 3 as an output value StringGrid. For example, NLDStringGrid that is (re)written by myself, and which has an additional property called MemoryOptions. Use the Objects property to access the object associated with a particular cell. Here's my code: I am adding multiple rows to a string grid from a CSV file @ runtime, However the StringGrid seems to flicker lots when it is being upadated, I presumed there would be a beginupadate / Endupdate command to stop this. RowCount := Grid. 1 berlin. I am slightly disappointed that no-one answered my actual question - it would have been Use string grid selection property StringGrid. Coloring cell background on firemonkey stringgrid according to value from data. Style := bsSolid; // add this line stringgrid1. TStringGrid uses Canvas. For example, in my table i open up a file and i load the file content into a string grid (it's a CSV file). I am trying to populate a TStringList with column names from Access. Are you using FireMonkey instead of VCL? FireMonkey's TStringGrid does not have a FixedRows property, but it does have RowCount and Cells properties, so just remove the FixedRows references if you are indeed using FireMonkey. SelectedRows. The StringGrid component is generally described as a visual representation of a grid that consists of rows and columns. The biggest problem i have with deleting row, i tried whis one procedure but it only deleted row in StringGrid, not in list, i think. If you can't ask Assign an event handler to the TApplication. Hot Network Questions How does the \label{xyz} know the name of the previous section, figure, etc Why does this For that StringGrid, also, I have defined some properties, like colors, fonts, etc. 2. How to give name to column and fill data in row in Tgrid created at Can you edit your question to add the code you have so far for the TStringGrid. The grid's selected rows are stored in a TBookmarkList named SelectedRow. This example displays a string grid, a list box, and a button on a form. I have the highlight portion done, but I can't figure out how to scroll the grid down to the correct row. Brush. Before, I did it in a VCL application using this code: StringGrid. How do I set focus on a certain cell (Column/Row) in a TStringGrid? TStringGrid. Create() and not assigning the object to the global Form3 pointer, but are trying to use the global Form3 pointer to access the First part of the code works OK while the second (commented) does not. There is a listbox with numbers from 0. 3 avaiable from Torry's Delphi Pages (Freeware) solved my problem and still kept items and amounts aligned. You can simulate a grid using a TScrollBox. The issue is that the StringGrid is just that, a grid of Strings. Why would you then expect that local variable's content to magically be stored in the cells? All you've done is drawn it. However I cannot find it. Example: If you select from row 3 to row 6 in a string grid thenStringGrid. Note: The same can be done for rows, but for now I do not know how to mix both (cols and rows) because of how to select priority, if stringgrid1. You could also add your own events if you want your code to respond to certain things happening, such as creating an OnBeginEdit event, say. My problem occurs when I use a TStringGrid instead of a TGrid as stated the video because I don't have it. When you click the button, the Use Rows to access all the strings for a single row, along with their associated objects. – fpiette. Can't say the line number, I don'y have it @LeonixSolutions, as I said before, showing 50k is really a bad practice, users will never be able to work with much rows as you will show them, but try to load the data first into memory table and see how much that take, then show Hmm, one obvious replacement for StringBuilder in this case would be using TStringList itself. Rows[i]. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with IS there something similar to add a column? I've tried InsertColumn but it doesn't seem to exist. Replace your TStringGrid components with TListView components, set their ViewStyle to vsReport, set up their Columns collections as needed, and then update your code as follows:. It controls whether data can be stored beyond ColCount * RowCount, whether the storage is proportional (less memory usage for partially filled rows and columns), whether How can I get the sum value of the selected cells or a range in stringgrid? Please note that sometimes these cells contain string values! I try GridCoord, but it doesn't work good because sometimes . If the user clicks the last row nothing happens; the focus won't be moved to the cells of that row. Visible := True; Initially invisible, the string grid window has not been created yet. SetFocus(Col,Row) Add a comment | 2 Answers Sorted by: Reset to default 4 . So the questions is: how to set StringGrid column header auto row height because column row width is not certain I know we can get the selected col using stringGrid. My code basically gets the I would welcome any optimisations In Delphi 2010, I need to display a grid that has a horizontal scroll bar with about 15 columns x 5 rows. See for example this answer on how to use DrawText for multiline text, and this recent answer on how to implement custom drawing in OnDrawCell: I am having a StringGrid in Delphi 5 of fixed rows and Fixed Cols. I chose to use a StringGrid. RowCount:=StringGrid. Skip to main content. SetFocus; But, this is only part of what I want. Then . FillRect (Rect); You will notice that there are some remnants from the default drawing at the left edge of the cells (not visible in the image below, I already fixed them). 1. copy entire record and then insert it. However when I click on the popup menu, the StringGrid. Try to set Grid. This is because a record can contain many different types of data - which may not be representable via a string. Question; How to catch and handle an "exception" in a more friendly way, when possible my way!!! >:) emailx45; Yesterday at 6:30 PM; Delphi: string grid component introduced. You have access to the entire grid's UI to draw on. Note: When the There are no standard operations in Delphi to place data from a Record into a Grid. RowHeights[1] + 10; // NB Row 0 is the column header end; Or, you can set the height of all rows at once like this: I do custom drawing of a Delphi TStringGrid using the OnDrawCell event. Cells[X,Y] do not have a StyleLookup Then on any form you have a TStringGrid add ,AlignedTStringGrid at the end of the interface uses clause. RowCount - 2 do Grid. OnShowHint event, or subclass the TStringGrid to intercept the CM_HINTSHOW message. I have the code (in KeyDown) and everything works smooth. change the cell color of a I am getting the data from a database query. So it looks like this so far: In order to do this I used this code: procedure TForm2. For each line in the log, it assigns the CommaText property of the corresponding row in the grid control. rowcount := Stringgrid1. I wrote this code: Given the small amount of code you have shown so far, it is difficult to diagnose your problem for sure, but based on your comments so far, it sounds to me like you are probably dynamically creating your TForm3 object at run-time using TForm3. property Row: Longint read FCurrent. To see a multiline text, of course we need to use a bigger number in the StringGrid's RowHeight property. So, if you only want to do something after the user is finished editing, you will have to watch the row and col values of the event's parameters. Now after click on save btn it should create me a Json file like below { "GHARG Now after click on save btn it should create me a I'm using Delphi 10 with Firemonkey, i'm a bit new to it. RowCount is set to p2. Something like: I have a TStringGrid whose cells get a custom background color using the OnDrawCell event. I believe it to be FMX. Just because the OnDrawCell event gives you a particular TRect does not mean you are limited to just those coordinates. This link/pic show what my code below is resulting in. I added the HasComboBox event, I set the DirectComboDrop, and it still did not show any data in the dropdown. Cells property after incrementing the RowCount, eg: string1, string2: string; row: integer; string1 := Edit1. SetRow calls FocusCell whichs calls MoveCurrent. It has no understanding that the strings are in fact I want to make something like that. many thanks in advance. 9. You've drawn (using DRAWText) some text you assigned to a local variable. canvas. That question is described and worded badly; the borders of a StringGrid are different from the borders of a cell, which is what the linked questioner was actually asking about. hi, your answer is really helpful! It did work, however I got a case like this. 0. Change text size in Firemonkey StringGrid . CMFontchanged(var Message: TMessage); begin Canvas. I know I have to access the Style elements somehow 'OnApplyStyleLookup'? but at Work through the grid rows: For each row: assign an empty string to a temporary string var; For each column add row/column value plus your delimiter to temporary string var; remove last delimiter from temporary string var (if it is non-empty) add temporary string var to stringlist; Write stringlist's text property back to your HistoryText hi Hendra. Muliple rows have some cells of the "Selected" colour and not all cells of the cselected row have the selected colour. CurrentRowSelected := True; Update #2. I have several querys to get the data in the stringgrid: it is a school scheduler app what i am doing so i need them structured like in the image , and i have chosen tstringgrid because i tried to merge cells with Reporting Services and failed; also in fast reports I can't build matrix reports because i belive that this functionality is missing from my FastReport This code gets the StringGrid contents per row with '|' as a separator. let's say I want data range from 20-08-2020 and 21-08-2020. I have a TStringGrid with several rows in which I implemented some kind of 'read-only' row. This is how it looks in formResize Procedure: You have available the row and column. if the stringgrid widths is bigger then i add to each columns width equal portions of the blank space left. Commented Jan 21, 2021 at 14:34 @TomBrunberg Because I have coded a lot of other functions into the grid and I only have to do this thing, then I'm done with my program. At this point the program adds the lines into a StringGrid, here you can see an image as example. FormCreate(Sender: TObject); var i: integer; begin // NOTE: this can all be done at design-time so // you don't need to do it in Fmx TStringGrid row color. It just places the value of the cell checked into all the row. So simply draw extra lines where you need them. When the application runs, strings are put in the cells of the first row of the string grid. Delphi 7: How can I change the colors of individual cells on a StringGrid via clicking on them? 2. TextRect, which uses ExtTextOut, which in turn does not support drawing of multiline text. Row properties to get/set the currently selected cell, eg: StringGrid1. Insert column into string grid, delphi. The ARow parameter does get updated regardless of whether one or more rows are selected, but this will only help me if I can determine that one and only one row was selected. It has nothing to do with this order: both the inherited CMFontChanged message handler and the DefaultRowHeight property setter call invalidate. RowCount := 1 before adding the fixed row – Izuel Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The Selected property gives the selected row index. I just want to add new data into new row. Delphi users request GET data from remote server and fill the grid. A. The Index parameter is the number of the row, where the value of the first row in the grid is zero. Its looking for a '*' in each line of the stringlist 'list' that is the source of the Cell text. (The most direct way would be to move the I have a string grid with 1 fixed row. I am trying to get a TStringGrid component to scroll down to a row and highlight that row, based on user input in a different form. And please, next time, be more clear about which framework you I can go the long way round, loop over each row, get a TRect from CellRect(col, row), then query its State for gdSelected But isn't there a quicker way to get the row number of the currently Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Delphi StringGrid HighLight row and column. Let the Button scan the grid 1 time and save the index of the matching row before invalidating the grid, then have the OnDrawCell handler check that saved index while coloring cells. navigate by rows and copy the row contains to the prev row: SOLVED: I'm trying to change the background color of the column header on an FMX StringGrid using the onDrawColumnHeader. Description. To clear the current selections, all you need do is to call its Clear method, like so: It seems that you are introducing 1 fixed row in a grid without rows. 2. But at run mode I am not able to select any row or any cell. I am looking for a method that allows me to load data from my dataset/query and put it on a StringGrid on demand. Simply extend the bounds of the TRect that you are drawing in. ZColorStringGrid v. e. When you click the button, the strings in the current row of the grid are displayed in the list box. FillRect(Bounds, 0, 0, [], 1, bgBrush); Then an example of background color for Change colour of TLabel in FireMonkey iOS app, and add items to TStringGrid? 7. Anyone here know? So I need to parse ALL the rows of StringGrid1 Col3 and say "For each value found, find the corresponding row of Column3 of StringGrid2 that also contains that value and return it, if found, or tell me it's missing if not found, until all rows of SG1 Col3 have been searched". RowCount := 1 before adding the fixed row Try to set Grid. I use Inputbox/InputQuery to get data, then, try to fill that data into a new row in Stringgrid. This works if i use it to add methods on a StringGrid. The 'row' one returns a positive integer, or -1 when there's no row. Another thing you should avoid is referencing form, in its own code, through global variable. After some research I came up with this function posted by someone else here that when used on DefaultDraw:False should work. This is a virtual function, and although it is highly trivial This question appears to have been answered already, possibly by MonkeyStyler/Mike Sutton, however, as I am using Delphi 10 Seattle, provided code and guides don't work anymore. Col := 1; So, how do I do that in FMX? Add a comment | 3 . It waits until the mouse button is released I just had a look at the source of TStringGrid. I am making a simple database application by following this video. You need to research how the StringGrid works, using resources found on the internet and in Delphi's documentation on the StringGrid. Using class helper i managed to have access to my own method and after changing this is how it looks: unit Each data is divided by ":" and I want add these datas into a StringGrid. Once the rows are added, the StringGrid performance is fine. That identifies the cell and you can check whether or not the cell is in the current selection. I have found another solution that is even easier, one that relies on a Delphi oddity: helper functions get private access. If you have a newer Delphi version, So essentially in the grid each cell would have 3 columns (1 row), and in each of those columns is a cell. So I thought to break the string each time that ":" char is found. Call HandleNeeded before setting the row if the string grid has never shown before: StringGrid1. I considered using an additional "phantom" column and constantly adjusting its ColWidth, but that hack doesn't I am new to Delphi 10. * properties do not get updated, whereas if one selects multiple rows, they do. 4. I have a TStringGrid that i bound with LiveBindings to a access database. Delphi XE4 Firemonkey Grid Control - Styling cells individually. rowcount + 1; This doesn't work in my today's Lazarus effort. HandleNeeded; StringGrid1. Y write SetRow; as you say. Cell[Col,Row I want to know the Row / Column of the cell that was last active when select an item from my Popup menu. Simply verify the column is the one you want and return the row number. More exactly, I don't allow the user to click the penultimate row. How to change the colour of the stringgrid particular cell using Delphi XE7. Color := clWhite; // add this line stringgrid1. 0. From Greg Liefs Delphi Question and Answer web page! MULTI-LINE COLUMN HEADINGS IN A STRINGGRID: Q. Left being increased with a very literal '4'. The TStringGrid class has an event OnSetEditText which is triggered when user changes data in a cell. the file also consist of data from 19-08-2020. Rows[0] := my-string-list;:-) Though probably for incremental filling StringList is much worse than StringBuilder – Your forms/grids OnGetValue event handler is passed the row as one of it's parameters. bottom will give you 6 as an output value, I have a problem in Delphi 10. If you want your code to be able to read Unicode data then Pascal IO cannot help you. Create(nil); objExcel. But i want to change the color on user action only. (This Stringgrid already had some rows from database before. It can also be seen as a visual version of a two-dimensional array. If I try that with the right button, nothing happens. TStringGrid represents a grid control designed to simplify the handling of strings and associated objects. It is due to the current font setting which is not yet updated: procedure TStrGrid. SetFocus; And I can set focus on a TStringGrid by using: TStringGrid. so my stringgrid will return empty grid as Stringgrid in delphi. I am now trying to iterate again and check any rows where the email address is in an AdvMemo component, showing that it has been previously selected. Now I want to retrieved the values from database and put it back from String Skip to main content. I have a StringGrid and I color on the fixed row and Column the position of the clicked cell. This solution is vastly different from what a normal use case would be, but does in fact answer the original question to set exactly one column to the whole StringGrid width. DBGrid1. Modified 10 years, 8 months ago. Apr 6, 2005 #5 sggaunt Programmer. What I need is to filter this table or the TStringGrid with the text of a TEdit when I press a button or when any key is enter, and the show it in the results in the same TstringGrid. I added a toolbar with a button to the main form, in order to add more pages to the PageControl. But i want to use this on a Column of a stringGrid. In Delphi and FreePascal/Lazarus, you can use the TStringGrid. Rows[i + 1]); Grid. Text; Here's my generic code to add a line into a TStringGrid:-----procedure LineAdd(); var sRowNext: Array of string; sRowPrev: Array of string; iIndex, iRow, iCol: Integer; begin does anyone know how i can put a string grid with one fixed row at the top (with column headers), and the grid has 6 columns. function Form1. 3k 27 27 gold badges 199 199 silver badges 332 332 My basic attempt at sorting a Firemonkey Stringgrid, as couldn't find any other examples. In fact, if a user deletes a column i have an undo button which i want to reinsert the deleted column (i'm keeping the data in an array so i can recreate the column but i don't know how to insert one @David, et al. I want to add a column at a particular position. Learning Delphi (have a ways to go), using Rio. You can move the cursor inside of it Just like a TEdit. Resize the columns stringgrid in delphi . I add ColorButtons at runtime. I personally would elect not to use Pascal IO here. I've RTFM for days. OnDrawCell event handler and a screen capture of what the result is you're getting now, so we can see what the problem is you're trying to solve? It will make it much easier to give you a better answer. In this tip I describe the few ways for it. So please feel free to teach. How to change font size at StringGrid in FM2. – user1175743. You are not going to change the reference. Canvas. First, you I assume the set of columns is fixed within the StringGrid (and withing the corresponding TClientDataSet). I have that coded and wo I am working in the Borland C++Builder IDE, using VCL controls. Row := StringGrid. Grid1GetValue(const Row, Col: Integer): TValue; begin if Col = 0 then Result := TValue. 5. The other solutions misunderstood the (granted, unintuitive) question and provided other solutions to "auto size" column widths of all columns. I cannot find a way to unselect other than selecting another cell. 76. Delphi Insert data from StringGrid to a Database Table. I want to allow the user to make selections in this grid but restrict the selection one single row (the current row). Parent := Self;. Color := TAlphaColors. I think we have a failure to communicate here. So I doesn't work I think the number of rows would be better to increase/add - that way I could keep the width of the grid to an acceptable size. Selection. sgDrawCell(Sender: Wonderfull!!! But if I want to store the striked status I also add a column containing a 'x'; it works fine BUT when I create form I load the stringrid value and some 'x' in column 3, I try to use that code in form. btnHeightClick(Sender: TObject); begin SG1. Selection property for selecting a range of cells. The short answer is no, you can´t pixel scroll a TStringGrid. When i have a huge number of records (5000+) my application is freezing (~5s) till it loads all of them in the grid. Example: COL1, String, 128 width. I check the object that I am adding to the We need to add 'Uses FMX. There is no problem with the area covered by cells, but how do I paint the background right of the rightmost column and below the last row ? (Edit) Painting is not really necessary, I just want to set the color used for background. Info for P2 received from php page. emailx45. FMX StringGrid Column Header Background. If you want to ignore the row and column also, then you could inspect the TRect that is supplied. Please don't dismiss it because it isn't full of graphics, scripts, cookies, etc! Click Next, an example of painting alternating row backgrounds without using styles. Lists the objects for each cell in the grid. . Commented Mar 11, 2012 at 17:25. I'd like to display multi-line column headings in a TStringGrid. The form is what Delphi presented when I said I wanted to create my first multi-device application. : I am not sure: First I thought that I need to make sure that I don't try to make BitBlt read pixels that aren't there in the source bitmap, but it seems like the function is able to handle input of this kind in the most kind way there is, namely correcting for the "incorrect" input (like Copy, where you often specify MaxInt as the length of the string). Add stringgrid column at runtime. The ColumnIndex property gives the selected column. You can put a grid inside the TScrollBox, make the grid large enough to fit all rows and cols, and turn off its scroll bars, but some things like keyboard navigation will not work. Col and TStringGrid. TStringGrid provides many properties to control the appearance of the grid, as well as events and methods that take advantage of the tabular organization of the grid in Basically, if someone goes from selecting multiple rows to just one row, the selection. Row is returned as -1. I use this buttons to "insert/delete" rows. Delphi FMX - How to stop a TStringGrid from scrolling both horizontally and vertically . FMX grid header lines color. This one calls SelectCell. I am trying to write code to calculate sum of all numbers from cells that form main diagonal of stringgrid but the result I get is just number I typed in bottom right cell. Col, StringGrid1. OnShowHint or TApplicationEvents. ycpit ptk axfd mdwh cvhc boot acjbce kojgzd ewicd cukay