/// <summary>
 /// Function to fill TypeOfVoucher combobox
 /// </summary>
 public void TypeOfVoucherCombofill()
 {
     try
     {
         List<DataTable> listObj = new List<DataTable>();
         VoucherTypeBll BllVoucherType = new VoucherTypeBll();
         listObj = BllVoucherType.TypeOfVoucherCombofillForVatAndTaxReport();
         DataRow dr = listObj[0].NewRow();
         dr["typeOfVoucher"] = "All";
         dr["voucherTypeId"] = 0;
         listObj[0].Rows.InsertAt(dr, 0);
         cmbTypeOfVoucher.DataSource = listObj[0];
         cmbTypeOfVoucher.DisplayMember = "typeOfVoucher";
         cmbTypeOfVoucher.ValueMember = "voucherTypeId";
     }
     catch (Exception ex)
     {
         MessageBox.Show("TR:1" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }