I saw in the asp.net/ajax online demo that you can put a checkbox in the header for a select all type of action. Can that be done for the winforms version? If so I have not been able to find it.
Please, refer to our KB article Add "Check All" in the header cell for a GridViewCheckBoxColumn where you may find detailed information about how to add a check box element in the header cell for GridViewCheckBoxColumn and implement check/uncheck functionality.
I hope this information helps. Should you have further questions, I would be glad to help.
Regards,
Desislava
Telerik
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