# Please help me solve this. How to convert numbers from excel can read as element ID in dynamo

**URL:** <https://forum.dynamobim.com/t/please-help-me-solve-this-how-to-convert-numbers-from-excel-can-read-as-element-id-in-dynamo/61955>\
**Category:** Revit\
**Tags:** dynamo\
**Created:** [March 22, 2021, 2:24pm UTC](https://forum.dynamobim.com/t/please-help-me-solve-this-how-to-convert-numbers-from-excel-can-read-as-element-id-in-dynamo/61955 "2021-03-22T14:24:50Z")\
**Posts on this page:** 1\
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**Author:** ![Alien](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/alien/32/40701_2.png) [@Alien](https://forum.dynamobim.com/u/Alien)\
**Post date:** [March 22, 2021, 2:53pm UTC](https://forum.dynamobim.com/t/please-help-me-solve-this-how-to-convert-numbers-from-excel-can-read-as-element-id-in-dynamo/61955/4 "2021-03-22T14:53:54Z")

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> [@Selecting Elements by their ID](https://forum.dynamobim.com/t/selecting-elements-by-their-id/10093):
>
> Hi guys, I’ve run a search of previous posts but no solution found yet, so here goes: I’m trying to select several room elements using a list of their Element IDs. I’m using Dynamo 1.2 and the latest release of the archi-lab nodes. The ID to Element node isn’t working when I plug in the list but it does work when I use a simple number node. This looks like a datatype problem, so I’m hoping there the solution here is fairly straightforward? The output of List.ReplaceItemAtIndex wasn’…

That may help.

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