# ClosedXML no attribute Cell or Range

**URL:** <https://forum.dynamobim.com/t/closedxml-no-attribute-cell-or-range/68789>\
**Category:** Developers\
**Tags:** excel, python\
**Created:** [October 1, 2021, 2:05pm UTC](https://forum.dynamobim.com/t/closedxml-no-attribute-cell-or-range/68789 "2021-10-01T14:05:26Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Deniz\_Maral](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/deniz_maral/32/80323_2.png) [@Deniz\_Maral](https://forum.dynamobim.com/u/Deniz_Maral)\
**Post date:** [October 6, 2021, 1:39pm UTC](https://forum.dynamobim.com/t/closedxml-no-attribute-cell-or-range/68789/12 "2021-10-06T13:39:40Z")

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> [@c.poupin](#):
>
> `dataTable = ws.RangeUsed().AsTable().AsNativeDataTable()`

Merci Cyril! but it did not apply that table:

 ![grafik](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/f/0/f0a01c3bc3af2b9a43f1c6fb8f10fe6cc95347c8.png)

BTW: how did you download that dll file? I get it only with [archi-lab](https://forum.dynamobim.com/t/revit-2022-dynamo-2-10-package-not-showing-up-and-icons-missing/62933/7?) package and its not the latest version.

It is all about the interfaces… but I don’t know how to manage that in Python.

> **[Interfaces and Metaclasses in Python — GoDaddy Engineering Blog](https://www.godaddy.com/engineering/2018/12/20/python-metaclasses/)**
>
> Python's metaclasses are an obscure and often misunderstood feature of the language. This post introduces readers to metaclasses hands-on by implementing interfaces, motivated by Python's abstract base class, or ABC.

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