这个Button在UserControl中（ <input id= "btnPass " type= "button " onclick= "Javascript:return confirm( "确定发布信息？ "); " runat= "server " value= "发布 "〉）confirm返回true仍不触发服务器端事件，请教。谢谢！
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用服务器控件试试吧.
<asp:Button OnClientClick= "return confirm( "xxxx ") " Text= "发布 " id= "btnPass " runat= "server "> </asp:Button>