# Nested Expression Lookup

**URL:** <https://forum.inductiveautomation.com/t/nested-expression-lookup/41699>\
**Category:** General Discussion\
**Created:** [December 21, 2020, 7:06pm UTC](https://forum.inductiveautomation.com/t/nested-expression-lookup/41699 "2020-12-21T19:06:44Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\
**Post date:** [December 22, 2020, 12:26am UTC](https://forum.inductiveautomation.com/t/nested-expression-lookup/41699/2 "2020-12-22T00:26:36Z")

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Don't think it's possible,

> [@Lookup with multiple lookup values](http://forum.inductiveautomation.com/t/lookup-with-multiple-lookup-values/11558):
>
> Is it possible to use the lookup function with more than one lookup value? I have a DataSet with six columns. I would like to return the value of one column based on a lookup value match in two other columns. Based on the lookup function parameters this does not seem possible. Is there a better way to do this? I would like to use a DataSet instead of a database table for this because it is critical and can’t rely on a database server connection always being up.

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