/// <summary>
 /// Function to fill the ModelNo combobox
 /// </summary>
 public void ModelComboFill()
 {
     try
     {
         ModelNoBll       BllModelNo  = new ModelNoBll();
         List <DataTable> listModelNo = new List <DataTable>();
         listModelNo = BllModelNo.ModelNoViewAll();
         DataRow dr = listModelNo[0].NewRow();
         dr[1] = "All";
         listModelNo[0].Rows.InsertAt(dr, 0);
         cmbModelNo.DataSource    = listModelNo[0];
         cmbModelNo.ValueMember   = "modelNoId";
         cmbModelNo.DisplayMember = "modelNo";
     }
     catch (Exception ex)
     {
         MessageBox.Show("PSP4:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }