private void ComboBox1_SelectionChangeCommitted(object sender, EventArgs e)
        {
            crpt c = new crpt();

            c.SetParameterValue("Num_Ecrivain", comboBox1.SelectedValue);
            crystalReportViewer1.ReportSource = c;
        }
        public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            crpt rpt = new crpt();

            rpt.Site = this.Site;
            return(rpt);
        }