Display (Render) RDLC Report in browser in ASP.Net MVC

Hi bigbear,

I have checked your code. Its working.

Check this example. Now please take its reference and correct your code.

Database

For this example I have used of Northwind database that you can download using the link given below.

Download Northwind Database

Namespaces

using System.Linq;
using Microsoft.Reporting.WebForms;

Controller

public class HomeController : Controller
{
    // GET: /Home/Export
    public ActionResult Index()
    {
        return View();
    }

    public ActionResult Export()
    {
        NorthwindEntities entities = new NorthwindEntities();
        LocalReport localReport = new LocalReport()
        {
            ReportPath = Server.MapPath("~/CustomerReport.rdlc")
        };
        ReportDataSource rds = new ReportDataSource("Customers", entities.Customers.ToList());
        localReport.DataSources.Add(rds);

        string reportType = "PDF";
        string mimeType, encoding, fileNameExtension;

        string deviceInfo =
                        "<DeviceInfo>" +
                        "   <OutputFormat>" + reportType + "</OutputFormat>" +
                        "   <PageWidth>8.5in</PageWidth>" +
                        "   <PageHeight>11in</PageHeight>" +
                        "   <MarginTop>0.5in</MarginTop>" +
                        "   <MarginLeft>0in</MarginLeft>" +
                        "   <MarginRight>0in</MarginRight>" +
                        "   <MarginBottom>0in</MarginBottom>" +
                        "</DeviceInfo>";

        Warning[] warnings;
        string[] streams;
        byte[] renderedBytes = localReport.Render(reportType, deviceInfo, out mimeType, out encoding,
                                                    out fileNameExtension, out streams, out warnings);

        return File(renderedBytes, mimeType);
    }
}

View

<%using (Html.BeginForm("Export", "Home", FormMethod.Post)){%>
    <input type="submit" value="View Report" />
<%} %>

Screenshot