public PrerequisiteModel(Prerequisite p)
 {
     _prerequisite = p;
     populate();
 }
 partial void DeletePrerequisite(Prerequisite instance);
 partial void InsertPrerequisite(Prerequisite instance);
 partial void UpdatePrerequisite(Prerequisite instance);
		private void detach_Prerequisites(Prerequisite entity)
		{
			this.SendPropertyChanging();
			entity.Course = null;
		}