Cannot perform '=' operation on System.String and System.Int32 [Resolved]

SqlConnection cnn = new SqlConnection(Conn);
        SqlCommand cmd = new SqlCommand("Select * From tbChildMenu", cnn);
        SqlDataAdapter ada = new SqlDataAdapter(cmd);
        DataSet ds = new DataSet();
        DataTable dt = new DataTable();
        ada.Fill(ds);
        dt = ds.Tables[0];
   DataRow[] dRowParent = dt.Select("ParentID="+ 0); //Error Line       
 foreach (DataRow dr in dRowParent)
        {
            menuBar.Items.Add(new MenuItem(dr["ParentID"].ToString(), dr["ChildID"].ToString()));
        }
        foreach (DataRow dr in dt.Select(""))
        {
            MenuItem mnu = new MenuItem(dr[""].ToString(), dr[""].ToString(), "", dr[""].ToString());
            menuBar.FindItem(dr[""].ToString()).ChildItems.Add(mnu);
        }

[Resolved]