private void button_back_lgoti_Click(object sender, EventArgs e)
        {
            buy_select_station frm = new buy_select_station();

            frm.Show();
            Close();
        }
 private void button2_Click(object sender, EventArgs e)
 {
     try
     {
         buy_select_station frm = new buy_select_station();
         //frm.MdiParent = this;
         //this.Hide();
         frm.Show();
     }
     catch
     {
         error_fetch frm_error = new error_fetch();
         frm_error.Show();
     }
 }