页面中生成下载报表的参考片段

public void GetReportMultipleDataSourceFile(List<ReportDataSource> reportDateSource, string TemplatePath, List<ReportParameter> parameterList, string FileType)
34         {
35             string reportFormat = FileType;
36             string outputfile = "Report.";  //报表名称
37             ReportViewer rview = new ReportViewer();
38             rview.ProcessingMode = ProcessingMode.Local;
39             rview.LocalReport.ReportPath = Server.MapPath(TemplatePath);
40             rview.LocalReport.DataSources.Clear();
41             foreach (ReportDataSource re in reportDateSource)
42             {
43                 rview.LocalReport.DataSources.Add(re);
44             }
45 
46             if (parameterList.Count > 0)
47                 rview.LocalReport.SetParameters(parameterList);
48             string mimeType, encoding, extension, deviceInfo;
49             string[] streamids;
50             Warning[] warnings;
51             deviceInfo = "" + "True" + "";
52 
53             byte[] bytes = rview.LocalReport.Render(reportFormat, deviceInfo, out mimeType, out encoding, out extension, out streamids, out warnings);
54 
55             //这里可以输入产生报表的时候有哪些警告信息
56             //if (warnings != null && warnings.Length > 0)
57             //{
58             //    LoggingManager log = LoggingManager.GetLoggingManager();
59             //    foreach (Warning w in warnings)
60             //    {
61             //        log.Info(w.Message);
62             //    }
63             //}
64             HttpContext.Current.Response.Buffer = true;
65             HttpContext.Current.Response.Clear();
66             HttpContext.Current.Response.ContentType = mimeType;
67             HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + outputfile + extension + ";");
68             HttpContext.Current.Response.BinaryWrite(bytes);
69             HttpContext.Current.Response.End();
70         }

 

 

 

 

GetReportMultipleDataSourceFile(reportDataSource, templatePath, parameterList, "pdf");