Невозможно создать чтение данных для набора данных «» DataSet1

Question

ReportViewer1.LocalReport.DataSources.Clear(); 
LocalReport rep = ReportViewer1.LocalReport; 

ReportDataSource rds = new ReportDataSource(); 
rds.Name = "DataSet1"; //this is the name of the DataSet on your report rdlc 

ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource("dataset1", ObjectDataSource1)); 
rep.ReportPath = "Report1.rdlc"; 
DataSet ds = new DataSet(); 

Answer 1

  ReportViewer1.ProcessingMode = ProcessingMode.Local; 
      LocalReport rep = ReportViewer1.LocalReport; 
      rep.ReportPath = "Reports/YourReport.rdl"; 
      rep.DataSources.Clear(); 

      ReportDataSource rds1 = new ReportDataSource(); 
      rds1.Name = "DataSet1"; 
      rds1.Value = dt; // Your Pass in Dataset value (type : DataTable) 
      rep.DataSources.Add(rds1); 
      rep.Refresh();