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<%@ Master Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
public DateTime LastUpdate
{
get
{
return (DateTime)(ViewState["LastUpdate"] ?? DateTime.Now);
}
set
{
ViewState["LastUpdate"] = value;
}
}
protected void MasterButton2_Click(object sender, EventArgs e)
{
LastUpdate = DateTime.Now;
((UpdatePanel)ContentPlaceHolder1.FindControl("UpdatePanel1")).Update();
}
protected void Page_Load(object sender, EventArgs e)
{
ScriptManager1.RegisterAsyncPostBackControl(Button2);
}
</script>
<html >
<head id="Head1" runat="server">
<title>ScriptManager in Master Page Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<asp:Panel ID="MasterPanel1" runat="server" GroupingText="Master Page">
<asp:Button ID="Button1" runat="server" Text="Full Page Refresh" />
<asp:Button ID="Button2" runat="server" Text="Refresh Panel" OnClick="MasterButton2_Click" />
</asp:Panel>
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
int? a;
return a??-1;