public async Task <IActionResult> PutCourse(int id, Course course)
{
if (id != course.ID)
{
return(BadRequest());
}
_context.Entry(course).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CourseExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public async Task <IActionResult> Create([Bind("ID,Name,Price,Tech")] Course course)
{
if (ModelState.IsValid)
{
_context.Add(course);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(course));
}
public async Task <IActionResult> Create([Bind("ID,FirstName,LastName,Age")] Student student)
{
if (ModelState.IsValid)
{
_context.Add(student);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(student));
}
public async Task <IActionResult> Create([Bind("StudentID,CourseID")] CourseEnrollments courseEnrollments)
{
if (ModelState.IsValid)
{
_context.Add(courseEnrollments);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["CourseID"] = new SelectList(_context.Courses, "ID", "Name", courseEnrollments.CourseID);
ViewData["StudentID"] = new SelectList(_context.Students, "ID", "FullName", courseEnrollments.StudentID);
return(View(courseEnrollments));
}
public async Task CreateStudent(Student student)
{
// add the item to the database
_context.Students.Add(student);
// don't forget to save.
await _context.SaveChangesAsync();
// All asyncronous methods return Task.
// you MUST return a Task of some sort for your method to work properly
// you will get weird behavior if you are missing the Task
}
public async Task CreateCourse(Course course)
{
_context.Add(course);
await _context.SaveChangesAsync();
}
public async Task CreateStudent(Student student)
{
_context.Add(student);
await _context.SaveChangesAsync();
}
