public static void DeleteCourse(int id)
{
using (var context = new Classmaister5000Entities())
{
var deleteThis = context.Courses.Where(c => c.Id == id).First();
TimetableActions.RemoveFromTimetableByCourseId(id);
context.Courses.Remove(deleteThis);
context.SaveChanges();
}
}
public static bool SubjectRemove(string Name)
{
if (HasSubjectName(Name))
{
using (var context = new Classmaister5000Entities())
{
Subject removeThis = context.Subjects.Where(s => s.SubjectName.ToLower() == Name.ToLower()).First();
ICollection <Course> removeTheseCourses = removeThis.Courses;
foreach (var item in removeTheseCourses)
{
TimetableActions.RemoveFromTimetableByCourseId(item.Id);
}
context.Courses.RemoveRange(removeTheseCourses);
context.Subjects.Remove(removeThis);
context.SaveChanges();
return(true);
}
}
else
{
throw new SubjectNotExistsException();
}
}