// AdminEditMultiple
public async Task <IActionResult> AdminEditMultiple(int?courseId, int?year)
{
IQueryable <Enrollment> enrollments = _context.Enrollment;
List <Course> courses = await _context.Course.ToListAsync();
if (courseId != null && year != null)
{
enrollments = enrollments.Where(e => e.CourseId == courseId);
enrollments = enrollments.Where(e => e.Year == year);
enrollments = enrollments.Include(e => e.Student);
ViewData["Enrollments"] = new SelectList(enrollments.ToList().OrderBy(e => e.Student.FullName), "Id", "Student.FullName");
}
else
{
enrollments = null;
}
UnenrollMultipleViewModel ViewModel = new UnenrollMultipleViewModel
{
CourseId = courseId,
Year = year
};
ViewData["Courses"] = new SelectList(courses.OrderBy(c => c.Title), "Id", "Title");
return(View(ViewModel));
}
public async Task <IActionResult> AdminEditMultiple(UnenrollMultipleViewModel ViewModel)
{
if (ModelState.IsValid)
{
foreach (int Id in ViewModel.EnrollmentIds)
{
Enrollment enrollment = await _context.Enrollment
.FirstOrDefaultAsync(e => e.Id == Id);
if (enrollment != null)
{
enrollment.FinishDate = ViewModel.FinishDate;
_context.Update(enrollment);
}
}
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(RedirectToAction("AdminEditMultiple"));
}
