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How to find the child nodes of the selected node?

Platform: ASP.NET Web Forms (Classic) |
Control: TreeView |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014

 

The code snippet shown below illustrates how to find the selected node's child nodes.

C#

private void TreeView1_NodeSelected(object sender, Syncfusion.Web.UI.WebControls.Tools.Trees.TreeViewNodeEventArgs e)

{

string str="";

foreach(TreeViewNode tnode in e.Node.Items)

str+=tnode.Text+",";

Response.Write(str);

}

VB

Private Sub TreeView1_NodeSelected(ByVal sender As Object, ByVal e As Syncfusion.Web.UI.WebControls.Tools.Trees.TreeViewNodeEventArgs)

Dim str As String=""

For Each tnode As TreeViewNode In e.Node.Items

str+=tnode.Text+","

Next tnode

Response.Write(str)

End Sub

Note: Make sure that the AutoPostBackOnNodeSelect property is set to true

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