Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.

Dropdowns are useful features that simplify data entry and enforce data validations in spreadsheet software. Creating a dropdown list is easy. And you might have done that already in Excel. But did ...

The default Google Sheets dropdown list allows the user to only select a single item from the list. I often want to select more than one option in a drop-down list. For example, when there’s a ...

Peter Vogel solves a reader's problem by integrating data from multiple dropdown lists, the FormView and some Ajax magic that calls code in a method in an ASPX page. In a comment to a tip in our ".NET ...