private void printInvoice(int svno)
{
InvoicePrinting invoicePrinting = new InvoicePrinting();
DataSet ds = new DataSet();
invoicePrinting.prepareDataSetForInvoiceReport(ds, svno);
CrystalDecisions.CrystalReports.Engine.ReportClass report = getCrystalReport();
report.SetDataSource(ds);
CrystalDecisions.CrystalReports.Engine.TextObject txtInvoiceType;
txtInvoiceType = (CrystalDecisions.CrystalReports.Engine.TextObject)report.ReportDefinition.ReportObjects["txtInvoiceType"];
txtInvoiceType.Text = "Original";
report.PrintToPrinter(1, false, 0, 0);
txtInvoiceType.Text = "Duplicate";
report.PrintToPrinter(1, false, 0, 0);
}
