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How to trigger an event when the ComboBox DropDownList has null value or has no datasource bound to it?

If the ComboBox is neither bound to any datasource nor has list items, it can be notified to the user by clicking on it. The notification message that the user wants to display can be given through TableControlCurrentCellShowingDropDown event.

Code Snippet

C#

 

VB

 

Screenshot

 

Sample links

C# DropDownComboBox_CS

VB DropDownComboBox_VB

 

 

Article ID: Published Date: Last Revised Date: Platform: Control:
6850 05/13/2016 05/13/2016 Windows Forms GridControl
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