Create RDLC Report in ASP.NET Core application

Step1 : Install NuGet
– AspNetCore.Reporting
– System.CodeDom
– System.Security.Permissions

Step2 : Create Project in Solution
– name “RDLCDesign” and select template “Windows Form App”

Step3 : New “Report1.rdlc” in RDLCDesign project and copy to Web project > wwwroot

Step4 : Controller file

...

public class HomeController : Controller
{
    private readonly IWebHostEnvironment _webHostEnvironment;

    public HomeController(IWebHostEnvironment webHostEnvironment)
    {
        _webHostEnvironment = webHostEnvironment;
    }

    ...

    public IActionResult RptSalesPerformanceByMarketTypeExportPdf()
    {
        string mimetype = "";
        int extension = 1;
        var path = $"{this._webHostEnvironment.WebRootPath}\\reports\\Report1.rdlc";

        Dictionary<string, string> parameters = new Dictionary<string, string>();
        parameters.Add("name", "RDLC Report");
        LocalReport localReport = new LocalReport(path);

        var result = localReport.Execute(RenderType.Pdf, extension, parameters, mimetype);

        return File(result.MainStream, "application/pdf");
    }

    ...

}