public IActionResult EnrollStudents()
{
IEnumerable <Student> students = _context.Student.AsEnumerable();
students = students.OrderBy(s => s.FullName);
IEnumerable <Course> courses = _context.Course.AsEnumerable();
courses = courses.OrderBy(s => s.Title);
StudentsCoursesEnrollViewModel viewModel = new StudentsCoursesEnrollViewModel
{
StudentList = new MultiSelectList(students.AsEnumerable(), "Id", "FullName"),
CourseList = new SelectList(courses.AsEnumerable(), "Id", "Title")
};
return(View(viewModel));
}
public async Task <IActionResult> EnrollStudents(StudentsCoursesEnrollViewModel viewModel)
{
if (ModelState.IsValid)
{
Course course = viewModel.Course;
var courseId = course.Id;
IEnumerable <SelectListItem> listCourses = viewModel.CourseList;
IEnumerable <int> listStudents = viewModel.SelectedStudents;
foreach (int studentId in listStudents)
{
_context.Enrollment.Add(new Enrollment {
StudentId = studentId, CourseId = courseId
});
}
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(viewModel));
}
