Another reason to validate input is simply because you can provide more intuative responses to the user. They may hit a letter by accident while typing in a number. It is far more clear to the user if you inform them that they've made a mistake and allow them to correct it, rather than have the application break, or worse, have the application continue with an unexpected result. | Another reason to validate input is simply because you can provide more intuative responses to the user. They may hit a letter by accident while typing in a number. It is far more clear to the user if you inform them that they've made a mistake and allow them to correct it, rather than have the application break, or worse, have the application continue with an unexpected result. |