/// <summary>
 /// On print button click
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void btnPrint_Click(object sender, EventArgs e)
 {
     DataSet dsfree = new DataSet();
     try
     {
         //SalesMasterSP spSalesMaster = new SalesMasterSP();
         SalesInvoiceBll BllSalesInvoice = new SalesInvoiceBll();
         DateTime fromDate, toDate;
         fromDate = Convert.ToDateTime(txtFromDate.Text);
         toDate = Convert.ToDateTime(txtToDate.Text);
         string voucherNo = txtVoucherNo.Text.ToString();
         decimal voucherTypeId = Convert.ToDecimal(cmbVoucherType.SelectedValue.ToString());
         decimal groupId = Convert.ToDecimal(cmbProductGroup.SelectedValue.ToString());
         decimal companyId = 1;
         decimal ledgerId = Convert.ToDecimal(cmbCashOrParty.SelectedValue.ToString());
         decimal employeeId = Convert.ToDecimal(cmbSalesMan.SelectedValue.ToString());
         string productCode = cmbProductCode.Text.ToString();
         dsfree = BllSalesInvoice.FreeSaleReportPrint(fromDate, toDate, voucherNo, voucherTypeId, groupId, productCode, ledgerId, employeeId, companyId);
         frmReport frmReport = new frmReport();
         frmReport.MdiParent = formMDI.MDIObj;
         if (dgvFreeSalesReport.Rows.Count > 0)
         {
             frmReport.freeSaleReport(dsfree);
         }
         else
         {
             Messages.InformationMessage("No data found");
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show("FSR :17" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }