private void purchaseprint_Load(object sender, EventArgs e)
{
PurchaseVouchercr cr = new PurchaseVouchercr();
cr.SetDataSource(ds);
crystalReportViewer1.ReportSource = cr;
}
public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
{
PurchaseVouchercr rpt = new PurchaseVouchercr();
rpt.Site = this.Site;
return(rpt);
}