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Tab key press in Grid View Drop Down Causes Crash

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This is a migrated thread and some comments may be shown as answers.

Allan Erickson asked on 16 Dec 2010, 04:10 PM

I have a GridView (v. 2010.2.10.806) with a text box column, a DateTime column, a DropDownList column and a check box column set at design time. The rows are constructed manually in a custom method that constructs rows of GridViewRowInfo objects based on a collection of custom objects. This all works very well. In my testing however, I have found that if the drop down list is extended, and I press the TAB key, the drop down is left blank and focus is moved to the next cell, and the application crashes on the next TAB key press. If other keys are pressed, the app seems hung and nothing happens. I have tried to work around this by capturing and supressing the TAB key press (in lieu of a better solution), but the GridView key down event does not seem to fire when the TAB key is pressed. I have also tried to implement the solution at http://www.telerik.com/community/forums/winforms/gridview/cell-keydown-event.aspx but had no success. Any input you may have is appreciated, Thanks.

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