public async Task <IActionResult> Edit(int id, [Bind("GradeId,GradeName")] Grade grade)
        {
            if (id != grade.GradeId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(grade);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!GradeExists(grade.GradeId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(grade));
        }
        public async Task <IActionResult> Edit(int id, [Bind("AmbionId,AmbionName")] Ambion ambion)
        {
            if (id != ambion.AmbionId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(ambion);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!AmbionExists(ambion.AmbionId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(ambion));
        }
        public async Task <IActionResult> Edit(int id, [Bind("Id,StudentName,CurrentGradeID,CurrentAmbionID")] Student student)
        {
            if (id != student.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(student);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!StudentExists(student.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["CurrentGradeID"]  = new SelectList(_context.Set <Grade>(), "GradeId", "GradeId", student.CurrentGradeID);
            ViewData["CurrentAmbionID"] = new SelectList(_context.Set <Ambion>(), "AmbionId", "AmbionId", student.CurrentAmbionID);

            return(View(student));
        }