public CreateAlibabaBuyer(SignupCustomerMultiOrigin stra) : base(stra.DB, stra.Log)
 {
     this.stra = stra;
 }             // constructor
 public CreateCampaignSourceRef(SignupCustomerMultiOrigin stra) : base(stra.DB, stra.Log)
 {
     this.stra = stra;
 }             // constructor
 public CreateCustomerRequestedLoan(SignupCustomerMultiOrigin stra) : base(stra.DB, stra.Log)
 {
     this.stra = stra;
 }             // constructor
 public CreateCustomer(SignupCustomerMultiOrigin stra, bool mobilePhoneVerified) : base(stra.DB, stra.Log)
 {
     this.stra                = stra;
     this.refNumber           = new RefNumber(this.stra.UserID);
     this.mobilePhoneVerified = mobilePhoneVerified;
 }             // constructor