设置报表，传递参数

            string sql = "select ids,roomid from room where ids = 2";            DataTable dt = dbutil.huoqu(sql);            ReportDataSource rds = new ReportDataSource("DataSet1", dt);            this.reportViewer1.LocalReport.DataSources.Clear();            this.reportViewer1.LocalReport.DataSources.Add(rds);            this.reportViewer1.LocalReport.SetParameters(new ReportParameter("password", passwrod));            this.reportViewer1.LocalReport.Refresh();            this.reportViewer1.RefreshReport();