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 ...

If you want to make sure duplicates never happen in the first place, you might consider using Excel’s data validation feature. This feature checks values as you enter them and depending on the ...

Create a console application project in Visual ... You can take advantage of data annotations to define data validation rules in a single place and thereby avoid having to re-write the same ...

Validation rules ... Excel spreadsheets help you make... How to Redraw a Legend on Excel How to Redraw a Legend on Excel. An Excel chart's legend identifies its data series ...

In this article, we’ll use the FluentValidation validation library, which is available as a NuGet package. FluentValidation uses a fluent API and lambda expressions to create data validation rules.

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 ...

Quick LinksUsing a Column in a Formatted Excel TableUsing a Column in an Unformatted DatasetMicrosoft Excel's Data Validation ...

Here's a look at how to use Microsoft Excel's data validation feature to create handy lists within your worksheets. An Excel drop-down list can make it easier for the average Microsoft Excel user ...