Patch Image to CDS

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Posted on by SeanHenderson

1,104

Hey all,

I had a Patch that suddenly stopped working. Basically it was an image field in CDS that had a Lookup to a main entity, so the main entity had a gallery of related photos that were taken with a camera control.

The images were stored using a button that saves the collection using the formula:

ForAll(colPhotos, Patch('Equipment Pictures', Defaults('Equipment Pictures'), {cr387_equipmentphoto: Url, 'Accident Report': galleryMain.Selected, Equipment: dropPickEquipmentEdit.Selected})); Clear(colPhotos); Navigate(scrPhotoView, ScreenTransition.None)

Url is the image in the colPhotos collection that the camera control populates. But now it says "The type of this argument 'cr387_equipmentphoto' does not match the expected type 'Record'. Found type 'image'.

So suddenly it is reading the image field in CDS as Record type.

Any ideas why this broke?

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Building Power Apps

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PytByt 943 on at

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Hi @SeanHenderson

I dont think the url is working to save image data into the CDS. I was able to do this in my old apps with this formula:

ForAll(CameraCollection, Patch('CDSMedia', Defaults('CDSMedia'),{ImageData: Media});

While in my CameraCollection formula:

Collect(CameraCollection, {Media:Camera1.Photo});

Feel free to adjust the formula based on your needs, and see if this helps.

Regards,
pytbyt

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SeanHenderson 1,104 on at

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I get an error that says Value must be between 0 and 100

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TaxusLapis 29 on at

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Ok, I was facing the same problem, but seem to have found the solution:
As Powerapps states you need a record to patch the CDS entity. My Patch statement now looks like this and it works like a charm:

ForAll(objPixCentral, Patch(objectPictures,Defaults(objectPictures),{img_Object:{Full:picObj,Value:Pic} }))

To have it look more like a template:
ForAll([yourCollection],Patch([your entity],Defaults([yourentity]),{[your image field in the entity]:{Full:[your camera.photo value], Value:[your camera.stream value]}}))

EDIT:
turns out it is sufficient ot put the same value in both columns within the patch statement, no need to put in the camera.photo and the camre.stream

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Avinoam 53 on at

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Actually it is totally sufficient to only determine the "Value" property, leaving out the "Full" property.
To summarize this solution I'd put things so:
when CREATING a record with image patching - use {Value:[your image.image]}
when UPDATING a record with image patching - use {Value:[your image.image]}
when DELETING a record with image patching - use {Value: Blank() , Full: Blank()}

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Gyllentid 894 on at

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"ForAll([yourCollection],Patch([your entity],Defaults([yourentity]),{[your image field in the entity]:{Full:[your camera.photo value], Value:[your camera.stream value]}}))"

What is yourCollection - is that a table? If so, can I have a gallery.selected instead? Or is that somewhere else?

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TaxusLapis 29 on at

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Hey shavora,
The collection in my case was a normal PowerApps collection, so yes a table of sorts. The gallery is just the "display form" of your collection. You could go for a gallery.selected.[yourImage.image] and patch that to your table as pointed out by @Avinoam . I assume though, that when having a table/collection with the images, it might be a bit of a hassle to individually select the images and patch those, hence the ForAll.

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TaxusLapis 29 on at

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Hey Avinoam,
thanks for the update. When I tried it back then, PowerApps always told me that a value was missing, if I didn't provide values for Value and Full.

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