A button control is located outside the UpdatePanel control. You need that a given button control outside of the UpdatePanel should cause the UpdatePanel to execute an update with partial update. What will you do to achieve this task?
1.Add a PostBackTrigger control to the Triggers section of the UpdatePanel. - Set the ControlID attribute of the AsyncPostBackTrigger control to the ID of the Button control.
2.Add a Trigger control to the Triggers section of the UpdatePanel. - Set the ControlID attribute of the AsyncPostBackTrigger control to the ID of the Button control.
3.Add an AsyncPostBackTrigger control to the Triggers section of the UpdatePanel. - Set the ControlID attribute of the AsyncPostBackTrigger control to the ID of the Button control.
4.None of the above.
Posted Date:-2022-02-01 11:23:39