public HttpResponseMessage Post([Bind(Include = "Email,Model")] StudentViewModel svm)
        {
            AssignmentManagementSystemEntities db = new AssignmentManagementSystemEntities();
            string message  = "Student Added Successfully";
            bool   isexists = stuDB.EmailExists(svm.Email);

            if (isexists)
            {
                ModelState.AddModelError("Email", "Email Already Exist");
            }
            if (ModelState.IsValid)
            {
                //    stuDB.Add(svm);
                //stuDB.SendSMS();

                tblStudent tb = db.tblStudents.Where(x => x.Email == svm.Email).FirstOrDefault();
                if (tb != null)
                {
                    stuDB.SendEMail(tb.Student_Id);
                }

                //tblStudent tb1 = db.tblStudents.Where(x => x.Phone == svm.Phone).FirstOrDefault();
                //if (tb1 != null)
                //{
                //    stuDB.SendSMS(tb1.Phone);
                //}

                return(Request.CreateResponse(HttpStatusCode.OK, message));
            }
            else
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }
        }