partial void Deletegroup_user_assoc(group_user_assoc instance);
partial void Updategroup_user_assoc(group_user_assoc instance);
private void detach_group_user_assocs(group_user_assoc entity)
{
this.SendPropertyChanging();
entity.group = null;
}
partial void Insertgroup_user_assoc(group_user_assoc instance);
private void attach_group_user_assocs(group_user_assoc entity)
{
this.SendPropertyChanging();
entity.user = this;
}