private void detach_ProjectDocuments(ProjectDocument entity)
		{
			this.SendPropertyChanging();
			entity.Project = null;
		}
		private void attach_ProjectDocuments(ProjectDocument entity)
		{
			this.SendPropertyChanging();
			entity.Project = this;
		}
 partial void UpdateProjectDocument(ProjectDocument instance);
 partial void DeleteProjectDocument(ProjectDocument instance);
 partial void InsertProjectDocument(ProjectDocument instance);