Make Web URL button disappear if value is blank

Hi crobinson661 
There is no option to make something "disabled" but you can use conditional formatting to make the button invisible / give it some text like " note the link is unavailable".

For the first option, you can use flag measure like :

test button = if(max('Table'[link])="",1,0)

and then modify the color of the text / other elements of a button based on this measure :

+ the same on the border if you have one

the result :

Message option:

create a measure like :

test with message = if(max('Table'[link])="", "Note the link is unvailible", "Press to the link")

using conditional formatting "take it " to the button

and using color conditional formatting to make it red 

result

PBIX is attached

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