or
voidTheReportViewer_RenderBegin(objectsender, Telerik.ReportViewer.Silverlight.RenderBeginEventArgs args){args.ParameterValues["SubjectId"] = subjectId;runOnce =true;}
navigateToReportAction1.Parameters.Add(new Telerik.Reporting.Parameter("SubjectId", "=Fields.SubjectId"));navigateToReportAction1.ReportDocumentType = "Application.Reports.ReportType.DetailReport, Application.Reports, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null";One or more parameters are not set or have invalid values.private bool runOnce = false;void TheReportViewer_RenderBegin(object sender, Telerik.ReportViewer.Silverlight.RenderBeginEventArgs args) { if (!runOnce) { args.ParameterValues["SubjectId"] = subjectId; runOnce = true; } }