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How to directly export a Report Viewer to PDF ? RSS

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Last post Oct 11, 2017 08:01 AM by Deepak Panchal

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How to directly export a Report Viewer to PDF ?

Oct 10, 2017 05:48 PM|xandeq|LINK

So I have a normal report viewer as below:

<asp:LinkButton ID="btnGerarCertificado" runat="server" OnClick="btnGerarCertificado_Click" CssClass="btn btn-info" Visible="false">
                            <span class="glyphicon glyphicon-eye-open"></span> Ver meu certificado
                        </asp:LinkButton>

And in code behind :

private DataSet GetData(int idInscricao)
        {
            SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["PortalCursosConnectionString"].ToString());
            con.Open();
            SqlCommand cmd = new SqlCommand(@"
                SET LANGUAGE Português
                SELECT 
                i.id, 
                i.nome, 
                i.evento_id, 
                e.titulo as evento, 
                DAY(e.data) AS dia_realizacao_evento,
                DateName( month , DateAdd(month,MONTH(e.data) , -1 ) ) AS mes_realizacao_evento,
                YEAR(e.data) AS ano_realizacao_evento,
                DAY(GETDATE()) AS dia_atual,
                DateName( month , DateAdd(month,MONTH(GETDATE()) , -1 ) ) AS mes_atual,
                YEAR(GETDATE()) AS ano_atual
                FROM inscricoes i
                INNER JOIN eventos e ON i.evento_id = e.id
                WHERE i.id = " + idInscricao);

            using (con)
            {
                using (SqlDataAdapter da = new SqlDataAdapter())
                {
                    cmd.Connection = con;
                    da.SelectCommand = cmd;
                    DataSet ds = new DataSet();
                    da.Fill(ds);
                    return (ds);
                }
            }
        }

        protected void btnGerarCertificado_Click(object sender, EventArgs e)
        {
            rvCertificados.Visible = true;
            int idInscricao = Convert.ToInt32(ddlInscricoes.SelectedValue); // DRopdownlist com os Eventos
            rvCertificados.ProcessingMode = ProcessingMode.Local;
            rvCertificados.LocalReport.ReportPath = Server.MapPath("~/Relatorios/RelatorioCertificados.rdlc");
            DataSet ds = new DataSet();
            ds = GetData(idInscricao);
            if (ds.Tables[0].Rows.Count > 0)
            {
                ReportDataSource rds = new ReportDataSource("CertificadosRelatorioDataSet", ds.Tables[0]);
                rvCertificados.LocalReport.DataSources.Clear();
                rvCertificados.LocalReport.DataSources.Add(rds);
            }
        }

Now I have to directly download the PDF without generating the report on screen.

I have tried the following code:

<asp:LinkButton ID="btnGerarCertificadoPDF" Text="Gerar PDF" runat="server" OnClick="btnGerarCertificadoPDF_Click" />

protected void btnGerarCertificadoPDF_Click(object sender, EventArgs e)
        {
            rvCertificados.ProcessingMode = ProcessingMode.Local;
            rvCertificados.LocalReport.ReportPath = Server.MapPath("~/Relatorios/RelatorioCertificados.rdlc");

            int idInscricao = Convert.ToInt32(ddlInscricoes.SelectedValue);
            DataSet ds = GetData(idInscricao);
            ReportDataSource datasource = new ReportDataSource("CertificadosRelatorioDataSet", ds.Tables[0]);
            rvCertificados.LocalReport.DataSources.Clear();
            rvCertificados.LocalReport.DataSources.Add(datasource);
            //rvCertificados.AsyncRendering = false;
            //rvCertificados.LocalReport.Refresh();

            //Code For Download Direct PDF    

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

            byte[] bytes = rvCertificados.LocalReport.Render("PDF", null, out mimeType, out encoding, out extension, out streamIds, out warnings);


            // 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= barcode.pdf");
            //Response.BinaryWrite(bytes); // create the file    
            //Response.Flush();

            byte[] file = rvCertificados.LocalReport.Render("PDF", null, out mimeType, out encoding, out extension, out streamIds, out warnings);

            Response.ContentType = "application/pdf";
            Response.AddHeader("content-disposition", "inline;filename=Test.pdf");
            Response.Buffer = true;
            Response.Clear();
            Response.BinaryWrite(file);
            Response.End();
        }

But i got the error:

Uncaught Error: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed.
    at Function.Error$create [as create] (ScriptResource.axd?d=oBXqCa_O3M6G3VgJWENhH_S1d4gF60IBZmTFW2d2gSfZxevIk8F7E5bXPNFb3AYTI0vmcQ8A74iqeK3fs0EGC6FFe1yKPOM8XBXCIJFaibLkt1rdzXQRl9bRqQXAM1MNzwSUNQJoo_mZFOlx40CEKtxX9OiXTJCeFxBWYAQsnjChIGiebbPocg46cAhQx4_G0&t=ffffffffcc58dd65:237)
    at Sys$WebForms$PageRequestManager$_createPageRequestManagerParserError [as _createPageRequestManagerParserError] (ScriptResource.axd?d=l7OHiyaL9Tzd3pkxh3pWipTXx977JiTkwmjmTXxKTxw8K3idJpn9OD99Ou1e6TeiVz7APl1aTqPDZr_NMcOobkuFyrPrMCdM-SgrDhz84m0x2Mlztop1fJd7ZopeY7l0MZlPy3TeLvjW_LGEA83FE-w42j6wupwl4ktWwP_dFDdgJPAmPgYLTFyTIUleqLQh0&t=ffffffffcc58dd65:665)
    at Sys$WebForms$PageRequestManager$_parseDelta [as _parseDelta] (ScriptResource.axd?d=l7OHiyaL9Tzd3pkxh3pWipTXx977JiTkwmjmTXxKTxw8K3idJpn9OD99Ou1e6TeiVz7APl1aTqPDZr_NMcOobkuFyrPrMCdM-SgrDhz84m0x2Mlztop1fJd7ZopeY7l0MZlPy3TeLvjW_LGEA83FE-w42j6wupwl4ktWwP_dFDdgJPAmPgYLTFyTIUleqLQh0&t=ffffffffcc58dd65:1435)
    at Sys$WebForms$PageRequestManager$_onFormSubmitCompleted [as _onFormSubmitCompleted] (ScriptResource.axd?d=l7OHiyaL9Tzd3pkxh3pWipTXx977JiTkwmjmTXxKTxw8K3idJpn9OD99Ou1e6TeiVz7APl1aTqPDZr_NMcOobkuFyrPrMCdM-SgrDhz84m0x2Mlztop1fJd7ZopeY7l0MZlPy3TeLvjW_LGEA83FE-w42j6wupwl4ktWwP_dFDdgJPAmPgYLTFyTIUleqLQh0&t=ffffffffcc58dd65:1314)
    at Array.<anonymous> (ScriptResource.axd?d=oBXqCa_O3M6G3VgJWENhH_S1d4gF60IBZmTFW2d2gSfZxevIk8F7E5bXPNFb3AYTI0vmcQ8A74iqeK3fs0EGC6FFe1yKPOM8XBXCIJFaibLkt1rdzXQRl9bRqQXAM1MNzwSUNQJoo_mZFOlx40CEKtxX9OiXTJCeFxBWYAQsnjChIGiebbPocg46cAhQx4_G0&t=ffffffffcc58dd65:47)
    at ScriptResource.axd?d=oBXqCa_O3M6G3VgJWENhH_S1d4gF60IBZmTFW2d2gSfZxevIk8F7E5bXPNFb3AYTI0vmcQ8A74iqeK3fs0EGC6FFe1yKPOM8XBXCIJFaibLkt1rdzXQRl9bRqQXAM1MNzwSUNQJoo_mZFOlx40CEKtxX9OiXTJCeFxBWYAQsnjChIGiebbPocg46cAhQx4_G0&t=ffffffffcc58dd65:3484
    at Sys$Net$WebRequest$completed [as completed] (ScriptResource.axd?d=oBXqCa_O3M6G3VgJWENhH_S1d4gF60IBZmTFW2d2gSfZxevIk8F7E5bXPNFb3AYTI0vmcQ8A74iqeK3fs0EGC6FFe1yKPOM8XBXCIJFaibLkt1rdzXQRl9bRqQXAM1MNzwSUNQJoo_mZFOlx40CEKtxX9OiXTJCeFxBWYAQsnjChIGiebbPocg46cAhQx4_G0&t=ffffffffcc58dd65:6376)
    at XMLHttpRequest.Sys$Net$XMLHttpExecutor._onReadyStateChange (ScriptResource.axd?d=oBXqCa_O3M6G3VgJWENhH_S1d4gF60IBZmTFW2d2gSfZxevIk8F7E5bXPNFb3AYTI0vmcQ8A74iqeK3fs0EGC6FFe1yKPOM8XBXCIJFaibLkt1rdzXQRl9bRqQXAM1MNzwSUNQJoo_mZFOlx40CEKtxX9OiXTJCeFxBWYAQsnjChIGiebbPocg46cAhQx4_G0&t=ffffffffcc58dd65:5996)

Can anyone help please ?

Thanks!

Re: How to directly export a Report Viewer to PDF ?

Oct 11, 2017 08:01 AM|Deepak Panchal|LINK

Hi xandeq,

you can try to refer example below may help you.

MyReportViewer.ProcessingMode = ProcessingMode.Remote;
MyReportViewer.ServerReport.ReportServerUrl = new Uri("http://10.88.141.76:8080/ReportServer2012"); // Report Server URL
MyReportViewer.ServerReport.ReportPath = "/StartSSRS/PersonAddressDetails";                         // Report Name
MyReportViewer.ServerReport.Refresh();
 
Microsoft.Reporting.WebForms.ReportParameter[] reportParameterCollection = new Microsoft.Reporting.WebForms.ReportParameter[1];
reportParameterCollection[0] = new Microsoft.Reporting.WebForms.ReportParameter();
reportParameterCollection[0].Name = "City";                                                         //Parameter Name
reportParameterCollection[0].Values.Add("Seattle");                                                 //Parameter Value
MyReportViewer.ServerReport.SetParameters(reportParameterCollection);
 
Warning[] warnings;
string[] streamids;
string mimeType, encoding, extension, deviceInfo;
 
deviceInfo = "True";
 
byte[] bytes = MyReportViewer.ServerReport.Render("PDF", null, out mimeType, out encoding, out extension, out streamids, out warnings);
 
Response.Buffer = true;
Response.Clear();
Response.ContentType = mimeType;
 
/* 
    This header is for saving it as an Attachment and popup window should display to to offer save as or open a PDF file 
    Response.AddHeader("Content-Disposition", "attachment; filename=" + extension);        
*/
 
/*
    This header is use for open it in browser.
    Response.AddHeader("content-disposition", "inline; filename=myfile." + extension);
    Response.BinaryWrite(bytes);
*/
 
//Creatr PDF file on disk
string pdfPath = @"D:\TempReports\PersonAddressDetails." + extension;       // Path to export Report.
 
System.IO.FileStream pdfFile = new System.IO.FileStream(pdfPath, System.IO.FileMode.Create);
pdfFile.Write(bytes, 0, bytes.Length);
pdfFile.Close();
Response.Flush();
Response.End();

Reference:

Export SSRS Report into PDF Format from ASP.NET Application

Regards

Deepak

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