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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html  >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
      <asp:XmlDataSource
        id="PeopleDataSource"
        runat="server"
        DataFile="~/App_Data/people.xml" />
 
      <asp:TreeView
        id="PeopleTreeView"
        runat="server"
        DataSourceID="PeopleDataSource">
        <DataBindings>
          <asp:TreeNodeBinding DataMember="LastName"    TextField="#InnerText" />
          <asp:TreeNodeBinding DataMember="FirstName"   TextField="#InnerText" />
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            // Specify the e-mail sender.
     ......
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