How to get selected treeview childnode value in another page? Aspx, C#

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C#

ASP.NET

Hi..
I have a treeview which contain one parent and other childnodes.I want when i click on child node then selected child node value access on other page and page redirect.Here is my screenshot treeview image
When i click on parent(UIIT) then its working fine i retrieve value in other page and page redirect,but i want the child value UIIT child values e.g UIIT,ARID,info etc.When i click ARID then this value retrieve in other page.how can i do this.

What I have tried:

 Master.FindControl("TreeView1");
 Master.FindControl("TreeView8");
 TreeView tv = (TreeView)Master.FindControl("TreeView1");
 TreeView tv8 = (TreeView)Master.FindControl("TreeView8");
 SqlDataAdapter da = new SqlDataAdapter(cmd);
 da.Fill(dt);
 cnn.Close();
 var parentNode = new TreeNode("Database");
 var parentNode2 = new TreeNode("UIIT");
 TreeNode node = new TreeNode();
 if (dt.Rows.Count > 0)
 {
  int total = dt.Rows.Count;
  if (total >= 3)
 {
  for (int i = 0; i < dt.Rows.Count; i++)
 {
    DataRow row = dt.Rows[i];
    string value = row["Database_Name"] + "";
    parentNode.ChildNodes.Add(new TreeNode(value));
    parentNode2.ChildNodes.Add(new TreeNode(value));
}
    var temp = new TreeNode("More") { NavigateUrl = "~/More_DB.aspx" };
    parentNode.ChildNodes.Add(temp);
    parentNode2.ChildNodes.Add(temp);
    else
   {
    foreach (DataRow row in dt.Rows)
   {
    string value = row["Database_Name"] + "";
    parentNode.ChildNodes.Add(new TreeNode(value));
    parentNode2.ChildNodes.Add(new TreeNode(value));
  }   
   var temp = new TreeNode("More") { NavigateUrl = "~/More_DB.aspx" };
   parentNode.ChildNodes.Add(temp);
   parentNode2.ChildNodes.Add(temp);
  }
   tv.Nodes.Add(parentNode);
   tv8.Nodes.Add(parentNode2);
   for (int i = 0; i < tv8.Nodes.Count; i++)
   {
   if (tv8.Nodes[i].Selected==true)
   {
     Session["NAM"] = tv8.Nodes[i].Text;
     Page.Response.Redirect("showTable.aspx");
   }
   }
   }
   }

This code is working but for parent,when i select UIIT then values retrieve on other page using session,but i want when i click on UIIT childs then these values retrieve on other page.Thanks in advance