How to bind description from database on tree view node clicking

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C#

ASP.NET

SQL-Server-2008R2

am binding tree view from database table , now i added one more column description to my table , now i want to bind description when user click treeview node how to bind that

What I have tried:




.cs
private void PopulateMenu()
{
List<tblemployee> allMenu = new List<tblemployee>();
using (TestDemoEntities dc = new TestDemoEntities())
{
allMenu = dc.tblEmployees.ToList();
}
// Call function here for bind treeview
CreateTreeView(allMenu, 0, null);
}
private void CreateTreeView(List<tblemployee> source, int parentID, TreeNode parentNode)
{
List<tblemployee> newSource = source.Where(a => a.ReportsTo.Equals(parentID)).ToList();
foreach (var i in newSource)
{
TreeNode newnode = new TreeNode(i.Name, i.EmpID.ToString());
if (parentNode == null)
{
tvMenu.Nodes.Add(newnode);
}
else
{
parentNode.ChildNodes.Add(newnode);
}
CreateTreeView(source, i.EmpID, newnode);
}
}

protected void tvMenu_SelectedNodeChanged(object sender, EventArgs e)
{

}