Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Take advantage of the FluentValidation open-source library to validate data in your ASP.NET Core application and keep your code clean, organized, and maintainable. To preserve the integrity, ...

Marketing is built on one essential element: accurate information. As marketers, we're always collecting and analyzing data to understand customer behaviors, preferences, and trends. That information ...

When you work with Excel, you often need to ensure that the data entered into your spreadsheets is accurate and consistent. One effective way to achieve this is by using a drop-down list. In this ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...