partial void DeleteImposto(Imposto instance);
 partial void UpdateImposto(Imposto instance);
		private void detach_Imposto(Imposto entity)
		{
			this.SendPropertyChanging();
			entity.Categoria = null;
		}
 partial void InsertImposto(Imposto instance);
		private void attach_Imposto(Imposto entity)
		{
			this.SendPropertyChanging();
			entity.Categoria = this;
		}