/// <summary>
        /// Function to fill VoucherType name combobox
        /// </summary>
        public void VoucherTypeNameComboFill()
        {
            try
            {
                VoucherTypeBll BllVoucherType = new VoucherTypeBll();
                List<DataTable> listObj = new List<DataTable>();
                decimal decVoucherTypeId = 0;
                decVoucherTypeId = Convert.ToDecimal(cmbVoucherType.SelectedValue.ToString());
                listObj = BllVoucherType.VoucherTypeNameViewAllForComboFill(decVoucherTypeId);
                DataRow dr = listObj[0].NewRow();
                dr[0] = 0;
                dr[1] = "All";
                listObj[0].Rows.InsertAt(dr, 0);

                cmbVoucherTypeName.DisplayMember = "voucherTypeName";
                cmbVoucherTypeName.ValueMember = "voucherTypeId";
                cmbVoucherTypeName.DataSource = listObj[0];
                cmbVoucherTypeName.SelectedIndex = 0;
            }
            catch (Exception ex)
            {
                MessageBox.Show("AB2:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }