public async Task <IActionResult> Edit(string id, [Bind("CourseID,CourseName,Credits,Online")] Courses courses)
{
// Checks if the "id" doesn't match the course ID
if (id != courses.CourseID)
{
return(NotFound());
}
// Checks if no errors occurred
if (ModelState.IsValid)
{
try
{
_context.Update(courses);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
// Checks if the course doesn't exist
if (!CoursesExists(courses.CourseID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(courses));
}