ToolKit --- ModelPopupExtender报错:Sys.InvalidOperationException: Handler was not added through the Sys.UI.DomE
Sys.InvalidOperationException: Handler was not added through the Sys.UI.DomEvent.addHandler method...
问题原因:
如果将ModalPopupExtender的OK/Cancel 按钮,放在了弹出框的UpdatePanel内,就会报这个错
解决办法:
既然ModalPopupExtender