All articles with 'custom data validation' Tag

Do you want to create a simple, elegant and useful tracker using Excel? You can make trackers with features like tables, data validation rules and conditional formatting. In this page, I will explain the process for creating an Excel tracker.

Imagine you are head of human resources at Casual Contracting Co. Every month you hire a lot of temporary staff who spend 1-4 months with CCC before leaving. Sometimes you hire the same people again. Of late, you have noticed a strange process gap. You are paying same person two (or more) salaries.

This is because you are hiring a person for new temp role even before their current one ended. See above picture.

So how to avoid making such hiring boo-boos.

Simple, using Excel of course.

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In the 53rd session of Chandoo.org podcast, let’s talk about data validation.

What is in this session?

In this podcast,

• What is data validation
• How Excel DV compares with database & software DV?
• Types of data validation rules
• List & custom rules explained
• Input & error messages
• Alternatives to data validation
• Enhancing data validation
• Removing data validation rules
• Homework problem for you
• Resources & show notes

In a recent consulting assignment I had a tricky data validation problem. The customer wanted to have an either-or condition in the data validation, like this: My initial reaction to this requirement was “hmm… that is not possible“. But before shooting the email back to client, I got curious and checked if excel data validation […]

We all know that data validation is a very useful feature in Excel. You can use data validation to create a drop-down list in a cell and limit the values user can enter. But, do you know that you can use data validation in a multitude of ways to prevent users from entering wrong data?

Here is a practical application: Prevent users from entering duplicate values in a range of cells.

For eg. you are making an invoice. Wouldn’t it be cool if Excel prompted you when you enter a duplicate line item so that increase the item quantity instead of repeating it.