页面最上方引用 <%@ Register Src="../Library/CheckRefreshed.ascx" TagName="CheckRefreshed" TagPrefix="uc1" %>
<body >
<form runat="server"> <uc1:CheckRefreshed ID="CheckRefreshed1" runat="server" />
.CS页面控制刷新的操作
if (this.CheckRefreshed1.isRefreshed)//如果是刷新页面重复提交
{ return; }