Have you ever needed to make a column in a list or library required based on the value chosen by the user in another column?
At the column level, a valid validation formula cannot refer to another column.
Following picture shows the result if all the validation has been passed.
Life Science companies are increasingly interested in utilizing cloud services, resulting in a shift towards using services such as Share Point Online for managing regulated content.
Product Description Share Point Form Validation provides standard validation methods such as Require, Regular Expression, Range, Compare, when you create or edit a list item in a form.
The instruction will show you how to use the Share Point Form Validation. Click Form validation settings under Permissions and Management group.