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Reset the scroll bar on HTML text field

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Posted on by BenPrescott

Hi All,

I have an HTML Text field (needed for a mixture of fonts types) that basically contains hint text. I’ve set a Boolean value to make this visible or hidden depending on whether the users clicks an I indicator or the close icon.

The issue I have is that the scroll bar stays where it is when it’s re-hidden and I’d like it to scroll back to the top.

I tried Reset(Q1HintText) on the close buttons OnSelect property (following the update context and with a semi colon) but it shows an error.

Any help would be greatly appreciated.

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Building Power Apps

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RandyHayes 76,297 Super User 2024 Season 1 on at

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@BenPrescott

The only real way to get those to go back to the top is by changing their data.

So, for example, if your Q1Hint.HtmlText property was set to a variable instead of the actual html you want you can "fake it out" and it will reset.

Something like this:

UpdateContext({lclHtmlText: Blank()});

UpdateContext({lclHtmlText: "<b>Your Html Text Here</b>"})

Then have your HtmlText property on the Q1Hint control set to lclHtmlText.

I hope this is helpful for you.

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BenPrescott 7 on at

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Thank you so much for this. This worked with a slight alteration for me.

The UpdateContext({IcIHtmlText: Blank()}) needed to be on the close button and UpdateContext({IcIHtmlText: “<b>Your Html Text Here</b>”}) on the Q1 hint control.

For some reason when both update contexts are on the Q1 hint control the scroll remained where it was.

Again, thank you so much!!

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RandyHayes 76,297 Super User 2024 Season 1 on at

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@BenPrescott

I had a feeling it would not work quite as described because they were both together and kind of the way it works...the control will not alter its information until the formula completes. Since your final function in the formula set it back, it really noticed no difference.

Glad you were able to get it going.

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RufusOpus 6 on at

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Following up, I totally grabbed this and put it with a timer so that multiple HTML text controls can display the content from a multiple-line field in a SPO list (that I'm pasting the HTML into directly from word through the RichText input control, it just takes the Word formatting and converts it to html and an HTML text box just shows it, no problem. Heckin' heck! What a time to be alive.)

On a rectangle, configure Onselect to Set(var_GlobalVariable,"Selection"), then UpdateContext({HtmlText: Blank()}), then UpdateContext({TimerGo: true}).

On a timer, set Start to TimerGo (ty Shane Young), and OnTimerend, have it UpdateContext({HtmlText: var_GlobalVariable}).

On the HTML Text control, set the property HTMLText to LookUp(SPOSource,Title=HtmlText).Selection.

There's probably a more elegant way to do it, but this what it looked like when I put the hammers down.

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