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To check/uncheck GridViewCheckBoxColumn in one click I use EditTriggers="CellClick" and AutoSelectOnEdit="True"
<telerik:GridViewCheckBoxColumn Header="To Send"
DataMemberBinding="{Binding ToEmail, Mode=TwoWay}"
EditTriggers="CellClick" AutoSelectOnEdit="True" />
Tabbing (using Tab button) into the checkbox cell changes value. It should not. Is it possible to do?