that is a user control, not custom control, you confused "1" (one) with "l" (letter L):<%@ Register TagPrefix="uc1" Src="Module/aa.ascx " TagName="aa " %>
===>
<%@ Register TagPrefix="ucl" Src="Module/aa.ascx" TagName="aa" %>
===>
<%@ Register TagPrefix="ucl" Src="Module/aa.ascx" TagName="aa" %>
我还想问个问题,一直没相通,user control和custom control 区别在什么地方,也许很白痴,不要见笑拉