How to Select and Delete Cells in TStringGrid in Delphi скачать в хорошем качестве

How to Select and Delete Cells in TStringGrid in Delphi

Learn how to effectively `select` and `delete` rows in a TStringGrid in Delphi with this simple guide that includes easy-to-follow code examples and explanations. --- This video is based on the question https://stackoverflow.com/q/66484394/ asked by the user 'Michał Grabarz' ( https://stackoverflow.com/u/13526020/ ) and on the answer https://stackoverflow.com/a/66485856/ provided by the user 'Michał Grabarz' ( https://stackoverflow.com/u/13526020/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to select and then delete cell in TStringGrid in Delphi? Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How to Select and Delete Cells in TStringGrid in Delphi When working with a TStringGrid in Delphi, managing data through rows and cells is a common task. While entering data can be straightforward, many developers find themselves struggling with functionalities like selecting and deleting specific rows. If you have ever found yourself asking, "How do I delete a selected row in TStringGrid?" – you're in the right place! In this post, we will walk through a simple yet effective way to delete a row based on cell selection. Understanding the Problem You might be familiar with entering data into a TStringGrid, but once you've populated your grid, how do you efficiently delete a row when the user selects a specific cell? The core steps involve: Selecting a cell: The user selects a cell using a mouse (or programmatically). Identifying the row: You need to determine which row that selected cell belongs to. Deleting the row: Finally, you call your deletion function to remove that row from the grid. The good news is that this process is not as complicated as it may sound. Let's dive into how you can achieve this with a few simple procedures. Step-by-Step Solution Step 1: Create the Row Deletion Procedure To delete a row in your TStringGrid, you'll first need to define a procedure that handles this functionality. Use the following code as a basis for your deletion logic: [[See Video to Reveal this Text or Code Snippet]] Step 2: Calling the Deletion Procedure Next, link this procedure to a button click event. When the user clicks the delete button, it should trigger the deletion function for the currently selected row. Here’s how to do it: [[See Video to Reveal this Text or Code Snippet]] Step 3: Putting It All Together Ensure you have a TStringGrid (let's refer to it as StringGrid1). Add a button that will initiate the deletion of the selected row. Wire up the click event of this button to call the StringGridDeleteRow procedure. Example Usage Here is a simple setup for your form: [[See Video to Reveal this Text or Code Snippet]] Conclusion By following these steps, you can easily select and delete rows in a TStringGrid within Delphi. This method allows for a smoother user experience as users can directly interact with the grid. Remember, experimentation is key — tweak the procedures as needed for your specific use case! Feel free to reach out with any questions or further clarifications on this process. Happy coding!