public ActionResult ClassWiseStudents() { string classanme = ReportsController.classname; if (classname == "All") { return(RedirectToAction("AllStudents", "Reports")); } DB37Entities db = new DB37Entities(); var c = db.StudentsOfClass(classname).ToList(); StudentsOfClass rpt = new StudentsOfClass(); rpt.Load(); rpt.SetDataSource(c); Stream s = rpt.ExportToStream(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat); return(File(s, "application/pdf")); }