public ActionResult ExportExcel()

        {

            GrapeCity.ActiveReports.PageReport _reportDef = 

new GrapeCity.ActiveReports.PageReport(new FileInfo(Server.MapPath("/Reports/rptInvoice1.rdlx")));

            GrapeCity.ActiveReports.Document.PageDocument _reportRuntime = 

new GrapeCity.ActiveReports.Document.PageDocument(_reportDef);

            // Create an output directory

            System.IO.MemoryStream ms = new System.IO.MemoryStream();

            // Provide settings for your rendering output.

            GrapeCity.ActiveReports.Export.Excel.Page.ExcelRenderingExtensionSettings

            excelSetting = new GrapeCity.ActiveReports.Export.Excel.Page.ExcelRenderingExtensionSettings();

            excelSetting.FileFormat = GrapeCity.ActiveReports.Export.Excel.Page.FileFormat.Xlsx;

            excelSetting.MultiSheet = true;

            GrapeCity.ActiveReports.Extensibility.Rendering.ISettings setting = excelSetting;

            //Set the rendering extension and render the report.

            GrapeCity.ActiveReports.Export.Excel.Page.ExcelRenderingExtension

            excelRenderingExtension = new

            GrapeCity.ActiveReports.Export.Excel.Page.ExcelRenderingExtension();

            GrapeCity.ActiveReports.Rendering.IO.MemoryStreamProvider outputProvider = 

new GrapeCity.ActiveReports.Rendering.IO.MemoryStreamProvider();

            _reportRuntime.Render(excelRenderingExtension, outputProvider, excelSetting.GetSettings());

            outputProvider.GetPrimaryStream().OpenStream().CopyTo(ms);

            return File(ms.ToArray(), "application/vnd.ms-excel", Url.Encode("export.xlsx"));

        }

         public ActionResult ExportPDF()

         {

             GrapeCity.ActiveReports.PageReport _reportDef = 

new GrapeCity.ActiveReports.PageReport(new FileInfo(Server.MapPath("/Reports/rptInvoice1.rdlx")));

             GrapeCity.ActiveReports.Document.PageDocument _reportRuntime = 

new GrapeCity.ActiveReports.Document.PageDocument(_reportDef);

             // Create an output directory

             System.IO.MemoryStream ms = new System.IO.MemoryStream();

             // Provide settings for your rendering output.

             GrapeCity.ActiveReports.Export.Pdf.Page.Settings pdfSetting = new

             GrapeCity.ActiveReports.Export.Pdf.Page.Settings();

             GrapeCity.ActiveReports.Extensibility.Rendering.ISettings setting = pdfSetting;

             //Set the rendering extension and render the report.

             GrapeCity.ActiveReports.Export.Pdf.Page.PdfRenderingExtension pdfRenderingExtension =

             new GrapeCity.ActiveReports.Export.Pdf.Page.PdfRenderingExtension();

             return File(ms.ToArray(), "application/pdf", Url.Encode("export.pdf"));

             GrapeCity.ActiveReports.Rendering.IO.MemoryStreamProvider outputProvider = 

new GrapeCity.ActiveReports.Rendering.IO.MemoryStreamProvider();

             _reportRuntime.Render(pdfRenderingExtension, outputProvider, pdfSetting);

             outputProvider.GetPrimaryStream().OpenStream().CopyTo(ms);

         }

<ol class="round">

    <li class="one">@Html.ActionLink("导出Excel", "ExportExcel", "Home")</li>

    <li class="two">@Html.ActionLink("导出PDF", "ExportPDF", "Home")</li>

</ol>

        <script src="~/Scripts/jquery-1.8.2.min.js"></script>

        <script language="javascript" type="text/javascript">

            var exportSelect = '<select id="ExportSelect" style="width:80px">

<option selected disabled>Export</option><option value="PDF" style="background: url(images/pdf.png) 

right no-repeat; width: 50px">PDF</option><option value="Excel" 

style="background: url(images/Excel.gif) right no-repeat; width: 50px">Excel</option></select>';

            $(document).ready(function () {

            var toolbar = $('#1_WebViewer1').find('.arvToolBar');

            toolbar.append(exportSelect);

            toolbar.append("<span><input id='btnPrint' type='Button' value='Print'/></span>");

            var viewModel = GetViewModel("1_WebViewer1");

            //Check the selected value in DropDown and Export

            $("#btnPrint").click(function () {

                if (viewModel.PageLoaded()) {

                    viewModel.Print();

                }

            });

            $("#ExportSelect").change(function (e, args) {

                var valueSelected = this.value;

                if (viewModel.PageLoaded()) {

                    switch (valueSelected) {

                        case "PDF":

                        viewModel.Export(ExportType.Pdf, function (uri) {

                            window.location = uri;

                        }, true);

                        break;

                        case "Excel":

                        viewModel.Export(ExportType.Xls, function (uri) {

                            window.location = uri;

                        }, true);

                        break;

                }

            }

        });

    });

        </script>

<ActiveReportsWeb:WebViewer ID="WebViewer1" runat="server" height="600px" width="960px"

     ViewerType="FlashViewer" FlashViewerOptions-ShowSplitter="false"

    >

</ActiveReportsWeb:WebViewer>

            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.IgnoreRoute("ActiveReports.ReportService.asmx/{*pathInfo}");

            routes.IgnoreRoute("Grapecity.ActiveReports.Flash.v9.swf");

    var viewer = GrapeCity.ActiveReports.Viewer({

                element: '#viewerContainer',

                reportService: {

                    url: '/ActiveReports.ReportService.asmx'

                },

                uiType: 'desktop',

                reportLoaded : function () {

                    reportsButtons.prop('disabled', false);

                }

            });