Tree View
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>
<script runat="server">
public void OnClick(Object sender, EventArgs e)
{
Label1.Text = "You selected " + TreeView1.SelectedNode.Value+ ".";
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" OnSelectedNodeChanged="OnClick" OnAdaptedSelectedNodeChanged="OnClick"
onload="TreeView1_Load">
</asp:TreeView>
</div>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</form>
</body>
</html>
CS File
protected void TreeView1_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
TreeNode Node = new TreeNode("Parent");
Node.SelectAction = TreeNodeSelectAction.SelectExpand;
TreeView1.Nodes.Add(Node);
TreeNode ParentNode = Node;
TreeNode node2 = new TreeNode("child1", "http://ge");
node2.SelectAction = TreeNodeSelectAction.SelectExpand;
ParentNode.ChildNodes.Add(node2);
TreeNode node3 = new TreeNode("child2");
node3.SelectAction = TreeNodeSelectAction.SelectExpand;
node2.ChildNodes.Add(node3);
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>
<script runat="server">
public void OnClick(Object sender, EventArgs e)
{
Label1.Text = "You selected " + TreeView1.SelectedNode.Value+ ".";
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" OnSelectedNodeChanged="OnClick" OnAdaptedSelectedNodeChanged="OnClick"
onload="TreeView1_Load">
</asp:TreeView>
</div>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</form>
</body>
</html>
CS File
protected void TreeView1_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
TreeNode Node = new TreeNode("Parent");
Node.SelectAction = TreeNodeSelectAction.SelectExpand;
TreeView1.Nodes.Add(Node);
TreeNode ParentNode = Node;
TreeNode node2 = new TreeNode("child1", "http://ge");
node2.SelectAction = TreeNodeSelectAction.SelectExpand;
ParentNode.ChildNodes.Add(node2);
TreeNode node3 = new TreeNode("child2");
node3.SelectAction = TreeNodeSelectAction.SelectExpand;
node2.ChildNodes.Add(node3);
}
}
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