Most people set up a dropdown list to make spreadsheets smarter with Excel's data validation. However, the Custom option in the Data Validation dialog accepts any formula that returns TRUE or FALSE, ...
Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...
A good data validation strategy is an important part of every application development project. Being able to consolidate and generalize validation using a proven framework can significantly improve ...