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The "auto-height" feature of the HTMLText control is maxed out to 7680

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Posted on by TxTechnician

If I turn on the "Auto-Height" function of an html text doc. The maximum height I can get is 7680 (10x the amount of the height of the app).

Is this a limitation, or a bug?

The reason I have this HTML control inside of a container. I'm taking advantage of the new PDF() function. Which expands Containers. And will create a pdf of whatever is inside of the container. It worked great. Until I found this limitation. Now anything that is too long gets cut off. Both in the app, and the pdf.

The attached zip file is an html doc with a table that is 500 rows long. I am only able to view up-to row 303 in my app.

Steps to reproduce:

Insert a vertical container control.
Set the container's vertical overflow property to "scroll"
Insert an HTMLText control in the container.
Set the width to parent.width and the x and y to 0.
Set the auto-height property to true.
Use the html from the zip file.

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General Questions

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table.zip

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TxTechnician 98 on at

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Re: The "auto-height" feature of the HTMLText control is maxed out to 7680

Nice.

I ended up saving the HTML file to Sharepoint and then using rclone, wkhtmltopdf, and some python to get the job done.
I was using the new PDF() feature to convert a container to PDF. And the limitation of the view size for the HTML control was.... a problem.
BCBuizer 21,991 Super User 2025 Season 1 on at

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Re: The "auto-height" feature of the HTMLText control is maxed out to 7680

Hi @TxTechnician ,

I was able to replicate the issue and indeed this seems to be an undocumented limitation of the HTML text control. To get this confirmed in the documentation I have submitted a pull request: Added AutoHeight property to HTML text control description by BCBuizer · Pull Request #5345 · MicrosoftDocs/powerapps-docs (github.com)

As an alternative you may try to disable the AutoHeight property and use something like the below for the Height property to make is dynamic:

20 //offset for headers + ( 15 //height per table row * CountRows(Table) //number of rows in the table )