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Vote

New event support to disable drag selection when using the mouse wheel button or right click

Currently, the grid’s drag selection behavior is triggered by all mouse buttons, including the middle (wheel) button. This leads to unintended row or cell selection when users attempt to scroll using the mouse wheel button. To improve usability, the grid should ignore drag selection when the middle mouse button is pressed, ensuring that only left-click interactions initiate selection. This change would align with standard UI behavior and prevent accidental data manipulation during navigation.

Sample: Selection in Blazor DataGrid | Syncfusion

1.Drag Selection should initiate only using left mouse buttons 

2.Drag selection should not be initiated when clicking through mouse wheel button

Scenario 2:

This means drag selection occurs even when the right mouse button is used, which is undesirable when a context menu is enabled, as both drag selection and the context menu can be triggered simultaneously.


Sample:https://blazorplayground.syncfusion.com/embed/rZVyDGBALHJMIsus?appbar=true&editor=true&result=true&errorlist=true&theme=bootstrap5


Current Behavior:

DragSelection can be started with any mouse button (left/right).

If the context menu is enabled, right-clicking both selects and opens the context menu.

Expected Behavior:

DragSelection should only be triggered by a left mouse button click when the context menu is enabled.

Right-clicking should only display the context menu and not initiate DragSelection.