public ActionResult AddTeacher(TeacherTb t)
 {
     ViewData["t_Cid"] = new SelectList(db.ClassTbs, "c_id", "Class_Name");
     db.Database.ExecuteSqlCommand("sp_CreateTeacher @fname,@lname,@dob,@address,@phone,@cid,@id",
                                   new object[] {
         new SqlParameter("@fname", t.T_Fname),
         new SqlParameter("@lname", t.T_Lname),
         new SqlParameter("@dob", t.T_DOB),
         new SqlParameter("@address", t.T_Address),
         new SqlParameter("@phone", t.T_Phone),
         new SqlParameter("@cid", t.t_Cid),
         new SqlParameter("@id", t.t_id),
     });
     return(RedirectToAction("Index"));
 }
        public ActionResult UpdateTeacher(int id, TeacherTb t)
        {
            // SqlParameter[] par = new SqlParameter[7];
            db.Database.ExecuteSqlCommand("sp_UpdateTeacherById @fname,@lname,@dob,@address,@phone,@cid,@id",
                                          new object[] {
                new SqlParameter("@fname", t.T_Fname),
                new SqlParameter("@lname", t.T_Lname),
                new SqlParameter("@dob", t.T_DOB),
                new SqlParameter("@address", t.T_Address),
                new SqlParameter("@phone", t.T_Phone),
                new SqlParameter("@cid", t.t_Cid),
                new SqlParameter("@id", t.t_id),
            });

            return(RedirectToAction("Index"));
        }