【Asp】Asp.net 自带报表的使用详解-net-自带报表

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Asp.net 自带报表的使用详解

ReportViewer viewer=new ReportViewer();
            viewer.ProcessingMode=ProcessingMode.Local;
            viewer.LocalReport.ReportEmbeddedResource="***.Page.Report.Report1.rdlc";
            ReportDataSource rds_1=new ReportDataSource("DataSet1", dtReport);//DataSet1為報表裏面的數據源名稱
            viewer.LocalReport.DataSources.Add(rds_1);

            ReportParameter rp1=new ReportParameter("參數1","參數1的值" );//給參數賦值
            ReportParameter rp2=new ReportParameter("參數2","參數2的值" );
            viewer.LocalReport.SetParameters(new ReportParameter[] {rp1, rp2 });

            Warning[] warnings;
            string[] streamIds;
            string mimeType=string.Empty;
            string encoding=string.Empty;
            string extension=string.Empty;

            byte[] bytes=viewer.LocalReport.Render("Excel", null, out mimeType, out encoding, out extension, out streamIds, out warnings);
            //Excel ,PDF ,Word 等格式
            // Now that you have all the bytes representing the PDF report, buffer it and send it to the client.
            Response.Buffer=true;
            Response.Clear();
            Response.ContentType=mimeType;
            Response.AddHeader("content-disposition", "attachment; filename=1_" + DateTime.Now.ToString("yyyyMMddhhssmm") + "" + "." + extension);
            Response.BinaryWrite(bytes); // create the file
            Response.Flush(); // send it to the client to download

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