The DevExpress Blazor Grid supports a number of keyboard shortcuts out-of-the-box. You can also define custom key combinations to further enhance interaction speed and streamline workflows according to business requirements or user preferences.

This example binds custom keyboard shortcuts to the Grid component:

• Ctrl + A: select all rows
• Shift + Enter: open row details

Add DxGrid and DxPopup components to the page. The popup will display the selected cell's details when a user presses Shift + Enter.

Create a JavaScript file in the project. This file implements the following functions for managing keyboard shortcuts:

• addCaptureKeyListener - Attaches a keyboard event listener to the grid and defines custom shortcuts. To prevent default web browser actions for the same key combinations, call event.stopPropagation(); within the event handler.
• removeCaptureKeyListener - Removes the previously attached keyboard event listener.
• focusGrid - Focus the grid programmatically on page load. This ensures shortcuts are instantly available.

In the @code section of the Index.razor page:

1. Register the JavaScript code in OnAfterRenderAsync lifecycle method.
2. Call the focusGrid JavaScript function.
3. Call the addCaptureKeyListener JavaScript function. Pass the DotNetObjectReference (for interoperability from JavaScript to .NET) and a reference to the <div> element that surrounds the grid (for capturing keyboard events.)
4. Implement SelectAllRows and HandleKeyDown JSInvokable methods to handle operations triggered by keyboard shortcuts.

For technical details, read this article.

In the @code section of the Index.razor page, implement a DisposeAsync method. It removes the keyboard event listener, cleans up JavaScript resources, and frees allocated memory.

For technical details, read this article.

• Index.razor
• Index.razor.js

• Keyboard Support in Blazor Grid
• DxGrid Class
• DxPopup Class

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