private void detach_CaseStudyTags(CaseStudyTag entity)
		{
			this.SendPropertyChanging();
			entity.CaseStudy = null;
		}
		private void attach_CaseStudyTags(CaseStudyTag entity)
		{
			this.SendPropertyChanging();
			entity.CaseStudy = this;
		}
 partial void UpdateCaseStudyTag(CaseStudyTag instance);
 partial void DeleteCaseStudyTag(CaseStudyTag instance);
 partial void InsertCaseStudyTag(CaseStudyTag instance);