# Show only if updated? **URL:** https://community.glideapps.com/t/show-only-if-updated/4470 **Category:** Ask for Help **Created:** [February 10, 2020, 3:36pm UTC](https://community.glideapps.com/t/show-only-if-updated/4470 "2020-02-10T15:36:59Z") **Posts on this page:** 1 **Showing post:** 2
### Author: ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager) #### Post date: [February 10, 2020, 6:26pm UTC](https://community.glideapps.com/t/show-only-if-updated/4470/2 "2020-02-10T18:26:44Z")
You can do some basic math within the app by creating a Match column in the data tab. If you are doing something more complex in your sheet, then there will be a delay between when the data is submitted, calculated in the sheet, and then returned to Glide. I haven’t been able to think of a good way to hide a value temporarily. Here is a thread where we tried to come up with a solution to a similar problem. Right now you can’t compare to column values to see if they match or not. You could create a column value in your sheet with the current date/time. Then when it updates to Glide you can display the date/time as a “Current As Of:” value. If I think of a solution, I’ll let you know. > [@How to handle this with "App: Sales"?](https://community.glideapps.com/t/how-to-handle-this-with-app-sales/4357/8): > > hmm, that surprises me, but like I said, I haven’t really played with the buy button. I did give it a try in staging and now I see what you are talking about. I wonder if that’s something Glide could change since this is a good use case. I was thinking you could use the template column to encode the SKU and event Id into description, then split it apart later once the purchase is made, but it doesn’t look like that information comes into the App:Sales sheet. \* Disclaimer, I started with the … --- _[View the full topic](https://community.glideapps.com/t/show-only-if-updated/4470)._