4.7.2 Design specification shall be preferably provided by vendor.
Production monitoring computer system/software: Material management software, Material requisition and issuance software, work order management software, stock management software.
The following code example uses the derived class Text Box and validates an e-mail address that the user enters.
If the e-mail address is not in the standard format (containing "@" and "."), the validation fails, an Error Provider icon is displayed, and the event is canceled.
4.9 Below checks shall be performed during operational phase of validation.
Additional checks can be included wherever applicable.