hierarcial view of a menu?

[wastman]

        Menu1.Items.Clear();
        SqlDataAdapter dadSubCat = new SqlDataAdapter();
        dadSubCat.SelectCommand = new SqlCommand("SELECT ID,PID,Title FROM Page where userid='user1'", con);
        DataSet dsCat = new DataSet();
        dadSubCat.Fill(dsCat, "Page");
        dsCat.Relations.Add("ParentChild", dsCat.Tables["Page"].Columns["ID"], dsCat.Tables["Page"].Columns["PID"], true);
        int count = 0;
        foreach (DataRow categoryRow in dsCat.Tables["Page"].Rows)
        {
            DataRow[] subCatRows = categoryRow.GetChildRows("ParentChild");
            if (categoryRow.GetParentRows("ParentChild").Length == 0)
            {
                skmMenu.MenuItem mNode = new skmMenu.MenuItem("<img src=\"menublip.gif\" align=\"absmiddle\">" + categoryRow["Title"].ToString(), "");
 
                foreach (DataRow row in subCatRows)
                {
                    string Title = row["Title"].ToString();
                    mNode.SubItems.Add(new skmMenu.MenuItem(Title, ""));
 
 
                }
 
               Menu1.Items.Add(mNode);
            }
 
        }
 
 

this is for one child menu.
but how can i do it for a hirarcial menu?