partial void DeleteStudent_voucher(Student_voucher instance);
partial void UpdateStudent_voucher(Student_voucher instance);
private void detach_Student_vouchers1(Student_voucher entity) { this.SendPropertyChanging(); entity.Student_Registration_Form1 = null; }
partial void InsertStudent_voucher(Student_voucher instance);
private void attach_Student_vouchers(Student_voucher entity) { this.SendPropertyChanging(); entity.Student_Registration_Form = this; }