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window.parent.Xrm.Page.getAttribute("").setValue();

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Posted on by Abhilash M abi

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Hi All, I have a requirement that I'm using HTML "navigateTo" web resource. I have a text field in HTML web resource that I need to update a form field using Webresource "window.parent.Xrm.Page.getAttribute("").setValue();" I have used above function. Getting cannot read null error.

Please help to achieve this

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Wahaj Rashid 11,321 on at

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Hi,

Thank you for your query.

window.parent.Xrm is not supported.

Please use formContext in the Web-resource.

Here is a very nice tutorial on this:

https://carldesouza.com/how-to-use-formcontext-in-a-web-resource-in-dynamics-365-power-apps/

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Abhilash M abi 595 on at

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I tried but didn't work for me. Maybe because I'm using navigateTo to call web resource as a POPUP window.

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Wahaj Rashid 11,321 on at

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Hi,

In this scenario, it is better to pass data (as parameter) in the NavigateTo function:

This is an excellent post by Andrew Butenko:

Xrm.Navigation.navigateTo – gotchas, tricks and limitations – Andrew Butenko's Blog

Here is another post, which demonstrates how you can use FormContext:

Get formContext inside Webresource in Dynamics 365 - Debajit's Power Apps & Dynamics 365 Blog (debajmecrm.com)

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