public async Task <IActionResult> Edit(Guid id, [Bind("ID,CourseID,StudentID,Grade")] Enrollment enrollment)
        {
            if (id != enrollment.ID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(enrollment);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!EnrollmentExists(enrollment.ID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["CourseID"]  = new SelectList(_context.Courses, "ID", "Course", enrollment.CourseID);
            ViewData["StudentID"] = new SelectList(_context.Students, "ID", "Student", enrollment.StudentID);
            return(View(enrollment));
        }
예제 #2
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        public async Task <IActionResult> Edit(Guid id, [Bind("ID,Title,Credits")] Course course)
        {
            if (id != course.ID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(course);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!CourseExists(course.ID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(course));
        }
예제 #3
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        public async Task <IActionResult> Edit(Guid id, [Bind("ID,LastName,FirstMidName,EnrollmentDate")] 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)));
            }
            return(View(student));
        }