Add check boxes to leaf nodes (C#) : TreeView « Asp Control « ASP.Net

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ASP.Net » Asp Control » TreeView 
Add check boxes to leaf nodes (C#)

<%@ Page Language="C#" %>

<script runat="server">    
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        if (TreeView1.CheckedNodes.Count > 0)
        {
            Label1.Text = "We are sending you information on:<p>";
            foreach (TreeNode node in TreeView1.CheckedNodes)
            {
                Label1.Text += node.Text + " " + node.Parent.Text + "<br>";
            }
        }
        else
        {
            Label1.Text = "You didn't select anything. Sorry!";
        }
    }    
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Latest Hardware</title>
</head>
<body>
    <form id="Form1" runat="server">
    Please select the items you are interested in:
        <p>
        <asp:TreeView ID="TreeView1" 
                      Runat="server" 
                      Font-Underline="False" 
                      DataSourceID="XmlDataSource1" 
                      ShowCheckBoxes="Leaf">
            <DataBindings>
                <asp:TreeNodeBinding DataMember="Hardware"
                 Text="Computer Hardware" />
                <asp:TreeNodeBinding DataMember="Item" TextField="Category" />
                <asp:TreeNodeBinding DataMember="Option" TextField="Choice" />
            </DataBindings>
        </asp:TreeView>
        <p>
        <asp:Button ID="Button1" 
                    Runat="server" 
                    Text="Submit Choices" 
                    OnClick="Button1_Click" />
        </p>
        <asp:XmlDataSource ID="XmlDataSource1" 
                           Runat="server"     
                           DataFile="Data.xml">
        </asp:XmlDataSource>
       </p>
       <asp:Label ID="Label1" Runat="Server" />
    </form>
</body>
</html>

File: Data.xml

<?xml version="1.0" encoding="utf-8"?>
<Hardware>
  <Item Category="A">
    <Option Choice="A1" />
    <Option Choice="A2" />
  </Item>
  <Item Category="B">
    <Option Choice="B1" />
    <Option Choice="B2" />
    <Option Choice="B3" />
  </Item>
</Hardware>

 
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2. A TreeView control with the MSDN style applied to it
3. Binding a TreeView control to the Data.xml file
4. Add check boxes to leaf nodes (VB)
5. Applying custom images to the TreeView control
6. Expanding and collapsing the nodes of the TreeView control programmatically (C#)
7. Expanding and collapsing the nodes of the TreeView control programmatically (VB)
8. Expanding specific nodes programmatically
9. Expanding nodes programmatically using the Expanded property
10. Displaying database data with a TreeView control.
11. Using Populate On Demand and AJAX
12. Formatting the TreeView Control
13. Using Styles with the TreeView control.
14. Applying styles to different TreeView node levels.
15. Adding nodes programmatically to the TreeView control (C#)
16. Adding nodes programmatically to the TreeView control (VB)
17. Custom TreeView Control
18. Database tree
19. TreeView Populate On Demand
20. Test TreeView
21. TreeView DataBindings
22. Dynamic tree view
23. ParentNodeStyle in a TreeView
24. DirectoryInfo TreeView
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