/// <summary>
 /// Function to use the Tax Combo Fill 
 /// </summary>
 public void ComboTaxFill()
 {
     try
     {
         TaxBll bllTax = new TaxBll();
         List<DataTable> ListObj = new List<DataTable>();
         ListObj = bllTax.TaxViewByProductIdApplicableForProduct(decProductId);
         cmbTax.DataSource = ListObj[0];
         cmbTax.ValueMember = "taxId";
         cmbTax.DisplayMember = "taxName";
     }
     catch (Exception ex)
     {
         MessageBox.Show("POS:18" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }