# View the result of an operation before sending the data to the table

**URL:** https://community.glideapps.com/t/view-the-result-of-an-operation-before-sending-the-data-to-the-table/50472
**Category:** Ask for Help
**Created:** [September 29, 2022, 7:29pm UTC](https://community.glideapps.com/t/view-the-result-of-an-operation-before-sending-the-data-to-the-table/50472 "2022-09-29T19:29:27Z")
**Posts on this page:** 1
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### 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: [September 29, 2022, 7:37pm UTC](https://community.glideapps.com/t/view-the-result-of-an-operation-before-sending-the-data-to-the-table/50472/2 "2022-09-29T19:37:28Z")

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Like you mentioned, computed columns will not calculate until the form is submitted. I think you would have to create a custom form to get what you want.

> [@How do I create a custom form?](https://community.glideapps.com/t/how-do-i-create-a-custom-form/25014):
>
> I’m just dropping this here so I have something to refer people to when they ask. This is a simple concept app (copyable), that demonstrates the following techniques: Building custom forms for adding and editing list items (as an alternative to the native forms provided by Glide) Preventing duplicate new entries using [User Specific Columns](https://docs.glideapps.com/all/reference/data-editor/user-specific-columns) and [Relations](https://docs.glideapps.com/all/reference/data-editor/computed-columns/relation-column) Enforcing mandatory input items The use of visibility conditions and user specific booleans to control user flow There is nothing particula…

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_[View the full topic](https://community.glideapps.com/t/view-the-result-of-an-operation-before-sending-the-data-to-the-table/50472)._