/// <summary>Detaches this instance from the entity specified so it's no longer an associated entity</summary>
/// <param name="entity">The related entity to detach from</param>
private void Detach_Employees(Employee entity)
{
this.SendPropertyChanging("Employees");
entity.Manager = null;
}
/// <summary>Attaches this instance to the entity specified as an associated entity</summary>
/// <param name="entity">The related entity to attach to</param>
private void Attach_Employees(Employee entity)
{
this.SendPropertyChanging("Employees");
entity.Contact = this;
}