Pass Parameter programmatically to Crystal Reports

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C#

ASP.NET

CrystalReports

Hi frnds...

I my project i am using crystal reports.. for that i have to pass parameter programmatically but it is always prompting a message set parameter value in runtime... if i set the parameter value the crystal report is showing and its working fine... Any Suggestion pls..

Here is my piece of code...

string quoteid = Session["Quote ID"].ToString();

ReportDocument doc = new ReportDocument();

ParameterDiscreteValue paramvalue = new ParameterDiscreteValue();

ParameterValues paramvals = new ParameterValues();


doc.Load(Server.MapPath("QuoteCrystalReport.rpt"), CrystalDecisions.Shared.OpenReportMethod.OpenReportByTempCopy);
paramvalue.Value = quoteid;
paramvals.Add(paramvalue);
CrystalReportViewer1.ParameterFieldInfo["@Quote_ID"].CurrentValues.Add(paramvalue);
doc.DataDefinition.ParameterFields[0].ApplyCurrentValues(paramvals);
doc.SetDataSource(ds);
// CrystalReportSource1.ReportDocument.SetParameterValue(0, Convert.ToInt32(Request.QueryString["quoteid"]));
doc.SetParameterValue(0, Convert.ToInt32(Request.QueryString["quoteid"]));
//doc.SetParameterValue(1, Request.QueryString["quoteid"]);
CrystalReportViewer1.ReportSource = doc;
CrystalReportViewer1.DataBind();

Thanks in advance...

[edit]Tags, subject - OriginalGriff[/edit]