Slider within Gallery flickers when patching value to collection

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Posted on by OKGotYah101

Hello

I have a slider in a gallery that patches its value (1-10) to a collection. Each row in the collection has a slider value. Here is the OnChange formula for the slider:

Patch(
 LocalCollection,
 LookUp(LocalCollection, name = ThisItem.name && type = "range"),
 {
 SliderValue: Slider2.Value,
 validations: Patch(
 LookUp(LocalCollection, name = ThisItem.name).validations,
 {
 optionValues: Split(TextInput2.Text, ","),
 regex: TextInput1.Text
 }
 ),
 localeText: Patch(
 LookUp(LocalCollection, name = ThisItem.name).localeText,
 {
 en: Patch(
 LookUp(LocalCollection, name = ThisItem.name).localeText.en,
 {
 optionsText: TextInput3.Text
 }
 )
 }
 )
 }
);

Attached is a video of what happens when I change the slider and the value is patched. Is there any way to remedy this visual tick? Has anyone seen this before?

Thanks

GotYah!

JumpyBar.pptx

Categories:

Building Power Apps

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QuentinDURIEZ 577 Moderator on at

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Hi,

This is because when you patch a datasource on triggering onchange, if the gallery use this datasource, it will refresh, so the components goes to default value then retrieve their current value, and trigger the onchange, so you get a endless refreshing loop.

To make it works, I use a collection instead of using the datasource as my gallery items (the collection is a clone of the datasource of course).

Then, when my control value change, I patch the datasource and not the collection, but since the gallery is refering the collection I don't get a loop.

And since the control triggers the update, the front-end is already up-to-date

Regards,