ModalPopupExtender OK Button click event not firing?
Aspx <ajax:ModalPopupExtender runat=”server” ID=”modalPop” PopupControlID=”pnlpopup” TargetControlID=”btnGo” BackgroundCssClass=”modalBackground” DropShadow=”true” CancelControlID=”btnCancel” X=”470″ Y=”300″ /> //Codebehind protected void OkButton_Clicked(object sender, EventArgs e) { modalPop.Hide(); //Do something in codebehind } And don’t set the OK button as OkControlID.