private void GetDataForCbbCluster()
 {
     try
     {
         cbbCluster.DataSource = null;
         var line = (LineModel)cbbLine.SelectedItem;
         if (line != null)
         {
             var listCluster = BLLCluster.GetAllByLineId(line.MaChuyen);// clusterDAO.GetCumOfChuyen(int.Parse(line.MaChuyen));
             if (listCluster != null && listCluster.Count > 0)
             {
                 cbbCluster.DataSource    = listCluster;
                 cbbCluster.DisplayMember = "TenCum";
             }
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 private void butSave_Click(object sender, EventArgs e)
 {
     try
     {
         Cum cluster = BuildModel();
         if (cluster != null)
         {
             var result = BLLCluster.InsertOrUpdate(cluster);
             if (result.IsSuccess)
             {
                 clusterId = 0;
                 EnableControl(true, false, false, false, false);
                 EnableInput(false);
                 LoadDataToGridView();
                 ClearInput();
             }
             MessageBox.Show(result.Messages[0].msg, result.Messages[0].Title);
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show("Lỗi: " + ex.Message);
     }
 }