sql ส่งค่า parameter ไป ยัง รายงาน crystal report asp.net c#

aod.SetParameterValue("date1",TxtDate1.Text);

	private void btnReport_Click(System.Object sender, System.EventArgs e)
	{

		ReportDocument rpt = new ReportDocument();
		string directory = My.Application.Info.DirectoryPath;
		//rpt.Load(directory & "\myCrystalReport1.rpt")
		rpt.Load("C:\\DemoCrystalReport3\\DemoCrystalReport3\\myCrystalReport1.rpt");
		rpt.SetParameterValue("CustomerID", this.txtCustomerID.Text);
		this.CrystalReportViewer1.ReportSource = rpt;
		this.CrystalReportViewer1.Refresh();
	}