public ActionResult DeleteCourseRecords(IEnumerable <Guid> deleteCourses, string hiddenInput)
 {
     if (deleteCourses != null && hiddenInput != "")
     {
         string result = CoursesModel.DeleteAllDegreePrograms(deleteCourses);
         if (result == "OK")
         {
             return(RedirectToAction("ManageCourses", "Courses"
                                     , new { res = SherlockHolmesEncryptDecrypt.Encrypt("S") }));
         }
         else
         {
             return(RedirectToAction("ManageCourses", "Courses"
                                     , new { res = SherlockHolmesEncryptDecrypt.Encrypt(result) }));
         }
     }
     else
     {
         return(RedirectToAction("ManageCourses", "Courses",
                                 new {
             res = SherlockHolmesEncryptDecrypt.Encrypt("Plz Select Records To Delete!")
         }));
     }
 }