public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
{
HoaDonReport rpt = new HoaDonReport();
rpt.Site = this.Site;
return(rpt);
}
public frm_HoaDon(int idhoadon)
{
InitializeComponent();
HoaDonReport rpt = new HoaDonReport();
crystalReportViewer1.ReportSource = rpt;
rpt.SetDatabaseLogon("sa", "sa2012", "DESKTOP-7SG3LH3\\SQLEXPRESS", "QLKaraoke");
rpt.SetParameterValue("locHoaDon", idhoadon);
}