How to set parameter to Report Viewer in code behind in UWP?

 
this.ReportViewer.ReportLoaded += ReportViewer_ReportLoaded;
 
private void ReportViewer_ReportLoaded(object sender, System.EventArgs e)
{
   List<ReportParameter> parameters = new List<ReportParameter>();
   ReportParameter param = new ReportParameter();
   param = new ReportParameter();
   param.Labels.Add("Road Bikes");
   param.Values.Add("2");
   param.Name = "ProductSubcategory";
   parameters.Add(param);
 
   param = new ReportParameter();
   param.Values.Add(DateTime.Parse("2003-1-1").ToString());
   param.Name = "StartDate";
   parameters.Add(param);
 
   param = new ReportParameter();
   param.Values.Add(DateTime.Parse("2003-12-31").ToString());
   param.Name = "EndDate";
   parameters.Add(param);
 
   this.ReportViewer.SetParameters(parameters);
}