ReportDataSource and localreport

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i wanna work with a localreport.i bound reportviewer with a datatable as a datasource.once reportviewer display on the screen i want to save the reportviewer as a word file.i tried below code but is give me an error.how can fix it?

String strConnString = System.Configuration.ConfigurationManager.ConnectionStrings["Applicationservices"].ConnectionString;
            SqlConnection con= new SqlConnection(strConnString);

            //Get the data from database into datatable
            string strQuery = "select *from Customers";
            SqlCommand cmd = new SqlCommand(strQuery, con);

            // Command nesnesini kullanarak adaptörümüzü olusturuyoruz.
            SqlDataAdapter sda = new SqlDataAdapter(cmd);
            // bilgi tasiyicisi olarak datatable veya dataset e ihtiyacimiz var
            DataTable dt = new DataTable();

            try
            {
                con.Open();//bağlantıyı aç
                sda.SelectCommand = cmd;//dataadapter ın çalıştıracağı komutu seç.
                sda.Fill(dt);//dataadapter ın seçtiği komutla gelen bilgileri datatable a doldur.
            }
            catch (Exception ex)
            {
                throw ex;
            }
 
            ReportDataSource datasource = new ReportDataSource("Report1",dt);
            ReportViewer1.LocalReport.DataSources.Clear();
            ReportViewer1.LocalReport.DataSources.Add(datasource);
            ReportViewer1.LocalReport.Refresh();
         
            
            if (Session["whichbutton"].ToString()=="Buton1")
            {
                ReportViewer1.DataBind();
                Response.Clear();
                Response.Buffer = true;
                Response.AddHeader("content-disposition", "attachment;filename=Customers.doc");

                Response.Charset = "";
                Response.ContentType = "application/vnd.ms-word ";
                StringWriter sw = new StringWriter();
                HtmlTextWriter hw = new HtmlTextWriter(sw);
                
                ReportViewer1.RenderControl(hw);
                Response.Output.Write(sw.ToString());
                Response.Flush();
                Response.End();

Posted 2-Jul-13 21:46pm

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Marc Gabrie · Answer 1 · 2013-07-03T04:17:00

The problem is that you are not exporting the RDLC report to Word!!! The way to do that is as follows:

C#

//Export to Word and get binary content
            string mimeType;
            string encoding;
            string fileNameExtension;
            string[] streams;
            Warning[] warnings;

		string deviceInfo =
            "<deviceinfo>" +
            "  <outputformat>Word</outputformat>" +
            "  <pagewidth>8.5in</pagewidth>" +
            "  <pageheight>11in</pageheight>" +
            "  <margintop>0.5in</margintop>" +
            "  <marginleft>0.75in</marginleft>" +
            "  <marginright>0.5in</marginright>" +
            "  <marginbottom>0.5in</marginbottom>" +
            "</deviceinfo>";

            byte[] docContent = ReportViewer1.LocalReport.Render("Word", deviceInfo, out mimeType, out encoding, out fileNameExtension, out streams, out warnings);

And replace these lines in your code:

C#

Response.Output.Write(sw.ToString());
                Response.Flush();
                Response.End();

by this one:

C#

Response.BinaryWrite(docContent);