Friday, 15 February 2013

18. 9. 2. Use the SqlHierarchicalDataSource control when working with the TreeView control

 
. Use the SqlHierarchicalDataSource control when working with the TreeView control
<%@ Page Language="C#" %>
<%@ Register TagPrefix="custom" Namespace="MyNamespace" %>
html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
"Head1" runat="server">
    Show TreeView

<body>
    <form id="form1" runat="server">
    


    
        id="TreeView1"
        DataSourceID="srcDiscuss"
        OnSelectedNodeChanged="TreeView1_SelectedNodeChanged"
        ImageSet="News"
        Runat="server">
        
            
                TextField="Subject"
                ValueField="MessageId" />
        
    

    
        id="srcDiscuss"
        ConnectionString='<%$ ConnectionStrings:Discuss %>'
        DataKeyName="MessageId"
        DataParentKeyName="ParentId"
        SelectCommand="SELECT MessageId,ParentId,Subject FROM Discuss"
        Runat="server" />

    


    You selected message number:
    
        id="lblSelected"
        Runat="server" />

    
    </form>
</body>
</html>
on

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