// Val_ZipCode public bool Val_ZipCode() { // ZipCode Required if (this.Data.ZipCode == CommonBase.NullValueInt) { this.ValidationErrors.Add(new ValidationError("Person.ZipCode", "<FieldName> is required")); return(false); } // Valid ZipCode business rule else if (!ValidationRules.IsValidZipCode(this.Data.ZipCode)) { this.ValidationErrors.Add(new ValidationError("Person.ZipCode", "A valid <FieldName> is required.")); return(false); } else { return(true); } }