private void crystalReportViewer1_DoubleClick(object sender, EventArgs e)
        {
            
            ReportDocument rDoc = new ReportDocument();

            CerticonDataSet dset = new CerticonDataSet(); // dataset file name

            DataTable dtable = new DataTable(); // data table name

            dtable.TableName = "Crystal Report ";  // Crystal Report Name

            
            rDoc.Load(@"C:\Users\Indovino\documents\visual studio 2010\Projects\Certicon\Certicon\CRProva.rpt"); // Your .rpt file path

            rDoc.SetDataSource(dset); //set dataset to the report viewer.

            crystalReportViewer1.ReportSource = rDoc;

        }