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BrianHFASPS
Responsive Resident
Responsive Resident

CountRows = 0 but IsBlank = false

I have used often a command like this:

IsBlank(Filter(LocalBusAtt,BusDailyID=6117906))

Which is currently returning false. However if I run this:

CountRows(Filter(LocalBusAtt,BusDailyID=6117906))

I get 0 as result. It seems like I am getting incorrect responses from IsBlank or I have totally misunderstood how it works?

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mdevaney
Super User III
Super User III

IsBlank() is used to check if a value is blank (e.g. text string). IsEmpty() is used to check if a table has no records. Filter() returns a table so you have to use IsEmpty() to evaluate this function.

The reason IsBlank() returns true is because an empty table is considered a value whereas the string “” is not.

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2 REPLIES 2
mdevaney
Super User III
Super User III

IsBlank() is used to check if a value is blank (e.g. text string). IsEmpty() is used to check if a table has no records. Filter() returns a table so you have to use IsEmpty() to evaluate this function.

The reason IsBlank() returns true is because an empty table is considered a value whereas the string “” is not.

View solution in original post

BrianHFASPS
Responsive Resident
Responsive Resident

Wow, I think I knew that at one point and conviently forgot it. Thanks.

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