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WebMonthCalendar1.ClientEvents.KeyDown = "WebMonthCalendar1_KeyDown"
WebMonthCalendar1.ClientEvents.KeyDown = "WebMonthCalendar1_KeyDown";
// The client event 'KeyDown' takes two parameters sender and e // sender is the object which is raising the event // e is the CancelEventArgs function WebMonthCalendar1_KeyDown(sender, e) { if (!confirm("Are you sure you want to continue?")) //Cancels the KeyDown event e.set_cancel(true); }