partial void DeleteEntityDauTu(EntityDauTu instance);
	partial void UpdateEntityDauTu(EntityDauTu instance);
		private void detach_EntityDauTus(EntityDauTu entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser = null;
		}
	partial void InsertEntityDauTu(EntityDauTu instance);
		private void attach_EntityDauTus(EntityDauTu entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser = this;
		}