partial void DeleteCatalogueCollege(CatalogueCollege instance);
 partial void UpdateCatalogueCollege(CatalogueCollege instance);
		private void detach_CatalogueColleges(CatalogueCollege entity)
		{
			this.SendPropertyChanging();
			entity.College = null;
		}
 partial void InsertCatalogueCollege(CatalogueCollege instance);
		private void attach_CatalogueColleges(CatalogueCollege entity)
		{
			this.SendPropertyChanging();
			entity.Catalogue = this;
		}