public ActionResult DeleteConfirmed(int id)
        {
            tblMath_vangia tblMath_vangia = db.tblMath_vangia.Find(id);

            db.tblMath_vangia.Remove(tblMath_vangia);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
 public ActionResult Edit(tblMath_vangia tblMath_vangia)
 {
     if (ModelState.IsValid)
     {
         db.Entry(tblMath_vangia).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     return(View(tblMath_vangia));
 }
        public ActionResult Create(tblMath_vangia tblMath_vangia)
        {
            if (ModelState.IsValid)
            {
                db.tblMath_vangia.Add(tblMath_vangia);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(tblMath_vangia));
        }
        // GET: MathVG/Delete/5
        public ActionResult Delete(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            tblMath_vangia tblMath_vangia = db.tblMath_vangia.Find(id);

            if (tblMath_vangia == null)
            {
                return(HttpNotFound());
            }
            return(View(tblMath_vangia));
        }