private void detach_RbAssignedContracts(RbAssignedContract entity)
 {
     this.SendPropertyChanging("RbAssignedContracts");
     entity.Organisation = null;
 }
 private void detach_RbAssignedContracts(RbAssignedContract entity)
 {
     this.SendPropertyChanging("RbAssignedContracts");
     entity.RbOKPF = null;
 }