Reports not display in report viewer

i try to show ssrsc reports in asp.net web page and for this i search tutorials and i find tutorials which shows me add script manager ,reportviewer and a button when i add these 3 things in my project in .aspx page and then when i debug my project then it shows me error

code
protected void Button1_Click(object sender, EventArgs e) { ReportViewer2.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Remote; ReportViewer2.ServerReport.ReportServerUrl = new Uri("http://lenovo-pc/ReportServer"); ReportViewer2.ServerReport.ReportPath = "/Report Project1/Report1"; ReportViewer2.ServerReport.Refresh(); }