Should this validation be done on the client-side or the server-side in a client/side application?
Should this validation be done in the business layer or in the middleware component of a multi-layer application?
why wouldn’t you do the same, and dress your best, too?
Introduction An important part of any data-driven application is ensuring data validation and handling errors when they occur.
Validation in Windows Forms Validations concerns about checking data entry and making sure it is valid based on the criteria of the application requirements.
In Windows Forms programming, validation is based around controls and events.
Without getting too Sir Lancelot about things, a little etiquette goes a long way.
Maybe open the door as she walks through, or offer your arm as she steps down from the curb – but play it by ear and don’t go too overboard.