# Classroom Attendance App - Track Absentees **URL:** \ **Category:** Ask for Help\ **Created:** [January 28, 2023, 6:18am UTC](https://community.glideapps.com/t/classroom-attendance-app-track-absentees/57204 "2023-01-28T06:18:37Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\ **Post date:** [January 28, 2023, 8:40am UTC](https://community.glideapps.com/t/classroom-attendance-app-track-absentees/57204/14 "2023-01-28T08:40:15Z")
You need the second use case from the below. > [@How do I create an auto-incrementing row number with Glide Tables?](https://community.glideapps.com/t/how-do-i-create-an-auto-incrementing-row-number-with-glide-tables/39572): > > This is a question that comes up a lot, so creating this topic to use as a reference. Typically, there are two distinct use cases when it comes to auto-incrementing row numbers. Use Case 1: – We need to generate a Part Number, or an Order Number, or an Employee ID. Once the number is generated, it should never change, even if rows are deleted. – The general approach for this use case is to maintain a static counter, use it to craft a suitably formatted ID, and increment it by one every time… --- _[View the full topic](https://community.glideapps.com/t/classroom-attendance-app-track-absentees/57204)._