Downloading crystalreport file is empty?

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C#5.0

CrystalReports

data

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Hi Team

I have a logic that download excel file report using crystal-report, but there is no data and dont know what could be an issue. On the database column there is data from the table column. What could be the reason for my file be empty when its downloading?

What I have tried:

public ActionResult Download_ExcelReport()
        {
            //var _db = new eNtsaRegistration();

            var data = (from q in db.eNtsaRegForms select new { 
            Id = q.Id,
            FirstName = q.FirstName!=null?q.FirstName:""
            
            }).ToList();

            ReportDocument rpt = new ReportDocument();
            rpt.Load(Server.MapPath("~/Reports/uYiloReporting.rpt"));
            rpt.SetDataSource(data);


            Response.Buffer = false;
            Response.ClearContent();
            Response.ClearHeaders();

            try
            {
                Stream stream = rpt.ExportToStream(CrystalDecisions.Shared.ExportFormatType.Excel);
                stream.Seek(0, SeekOrigin.Begin);
                return File(stream, "application/vnd.ms-excel", "eNtsaRegistrationForm.xls");
            }
            catch
            {
                throw;
                return View();
            }

           
        }