Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...

Take advantage of data annotations to decorate your models using attribute tags so that your application’s data definition can be managed in a single place. Data annotations (available as part of the ...

Q: I have an Excel spreadsheet that I update weekly with our employees’ Actual Sales and Sales Goals. I manually insert a red circle to indicate those who did not reach their sales goal by more than a ...

Microsoft Excel's CHOOSECOLS and CHOOSEROWS functions are a game-changer if you want to quickly extract specific columns or rows from your data without nesting several functions in your formula.

When working with applications in ASP.NET Core 6 you will often want to validate your models to ensure that the data they contain conform to the pre-defined validation rules. Enter model validation.

Have you ever wondered how to bring fairness to the classroom using "data validation" and "data quality assurance"? We've developed an exciting toolset, built on the foundation of the Peer Review ...

The CHOOSECOLS and CHOOSEROWS functions in Google Sheets are ideal for quickly extracting specific columns or rows from your data without creating confusing nested formulas. What's more, since they're ...