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Incompatible Types for comparison. These types cant be compared: Control, Number

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Posted on by ShawnPelletier

I have a gallery named 'DLCGallery'. When I select an item from the gallery it opens in the 'DLCForm (editmode). This works correctly. I added another gallery to the DLCForm named 'TaskGallery'. The datasorce for taskGallery is named 'Tasks' and it has a lookup field named 'Parent' that points to the ID field of the DLC Site Record datasource that is used by the DLCForm. When I select an item (OnSelect) from the DLCGallery I set a variable named 'varSelectedDLCFormID' to the id of the record I'm getting into

Set(varSelectedDLCFormID, ThisItem.ID)

I have verified this works. When I input the following formula into the 'items' property of the Taskgallery I get the error above displayed in the thread subject. I've tried uding various casting techniques, but none seem to work.

Filter(Tasks, Parent = varSelectedDLCFormID)

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timl 36,813 Super User 2026 Season 1 on at

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Hi @ShawnPelletier

In your DLCGallery, can you confirm that you haven't named a label/textbox, or some other control with the name ID? If so that's a possible cause of the error since the control name would clash with the data field name.

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v-qiaqi@microsoft.com Microsoft Employee on at

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HI @ShawnPelletier,

SInce Parent is a LookUp field, I think you should modify as:

Filter(Tasks, Parent.Id = varSelectedDLCFormID)

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ShawnPelletier 85 on at

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I confirmed that it was not using another control with the same name and I also tried the Parent.ID option and neither worked. I ended up creating a text field with a modified but similar name which I will populate with the ID and that worked. Not ideal, but functional.

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