I have created a report in the standalone report designer R2 2017. I previews perfectly. The problem is when I try to use the report viewer in my C# windows forms Desktop Application, (Visual Studio 2015 Community edition). The problem is something to do with the report source value. The relevant code I am using is:
private void reportViewer1_Load(object sender, EventArgs e)
{
var typeReportSource = new Telerik.Reporting.TypeReportSource();
typeReportSource.TypeName = "F:\\Work\\OnTarget2015\\Reports\\Report1";
Telerik.ReportViewer.WinForms.ReportViewer reportViewer1;
reportViewer1 = new ReportViewer();
reportViewer1.ReportSource = typeReportSource;
reportViewer1.ReportSource.Parameters.Add(new Telerik.Reporting.Parameter(name: "StartDate", value: "1/1/2017"));
reportViewer1.ReportSource.Parameters.Add(new Telerik.Reporting.Parameter(name: "EndDate", value: "8/1/2017"));
this.reportViewer1.RefreshReport();
}