public ActionResult AllStudents(string Result, string graceResult) { List <StudentData> studentsList = _service.RetreiveStudentsList(); if (Result != null) { ViewBag.Result = "viewPassOrFail"; } if (graceResult != null) { ViewBag.Result = "viewPassOrFail"; List <StudentData> AddedGraceMarkList = GraceMarksLogic(studentsList); AddedGraceMarkList = studentsList; ViewBag.StudentsList = AddedGraceMarkList; } ViewBag.StudentsList = studentsList; return(View()); }