Validation refers to a set of activities that ensure that software that has been built is traceable to the customer requirements. "Are we building the right product?" "Confirmation by examination and ...

In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data. To create a validation list with ...

Validation is an automatic computer check to ensure that the data entered is sensible and reasonable. It does not check the accuracy of data. For example, a secondary school student is likely to be ...