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<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
//模拟你插入数据
System.Threading.Thread.Sleep(10000);
//insert
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server">
<ProgressTemplate>
正在加载...
</ProgressTemplate>
</asp:UpdateProgress>
</form>
</body>
</html>