このイベントはキャンセルできます。
Me.WebDataGrid1.Behaviors.Filtering.FilteringClientEvents.FilterDropdownDisplaying = "WDG1_FilterDropdownDisplaying"
this.WebDataGrid1.Behaviors.Filtering.FilteringClientEvents.FilterDropdownDisplaying = "WDG1_FilterDropdownDisplaying";
// The client event 'FilterDropdownDisplaying' takes two parameters sender and e // sender is the object which is raising the event // e is the CancelDropDownEventArgs function WDG1_FilterDropdownDisplaying(sender, e) { if (!confirm("Are you sure you want to display Filter dropdown?")) //Cancels the 'FilterDropdownDisplaying' event e.set_cancel(true); }