Web Applications Stack Exchange is a question and answer site for power users of web applications. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I have the following string in column H and I.


I want to have a auto-generated J column, which results like:


So I put the following formula in J1:

= ARRAYFORMULA (IF(ROW(J:J)=1;"formulaTest";CONCATENATE(H:H1, I:I1 ) ))

But the result I got is:


What is going wrong with my formula?

share|improve this question

migrated from stackoverflow.com Jan 17 '14 at 13:20

This question came from our site for professional and enthusiast programmers.

up vote 3 down vote accepted

This is what you are looking for:

=ARRAYFORMULA((IF(ROW(J:J)=1,"formulaTest",H1:H & I1:I)))
share|improve this answer
Great! It finally works now!. Though I still don't know why I can not use "CONCATENATE", instead I need to use "&" in this formula. – srjohnhuang Jan 17 '14 at 6:53
@srjohnhuang With the CONCATNATE, the complete column range is fed to the ARRAYFORMULA. Using the ampersand, only the single entries are fed, giving you the desired result. – Jacob Jan Tuinstra Jan 19 '14 at 12:01
The reason you can use & but not concatenate() is that concatenate can take a range whereas & can only join specific discreet values. – user72987 Jun 30 '14 at 18:50

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.