# blocks using concat do not work inside helper

**URL:** <https://discuss.rubyonrails.org/t/blocks-using-concat-do-not-work-inside-helper/16082>\
**Category:** rubyonrails-talk\
**Created:** [July 24, 2007, 9:31am UTC](https://discuss.rubyonrails.org/t/blocks-using-concat-do-not-work-inside-helper/16082 "2007-07-24T09:31:34Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![art2](https://avatars.discourse-cdn.com/v4/letter/a/0ea827/32.png) [@art2](https://discuss.rubyonrails.org/u/art2)\
**Post date:** [July 24, 2007, 9:31am UTC](https://discuss.rubyonrails.org/t/blocks-using-concat-do-not-work-inside-helper/16082/1 "2007-07-24T09:31:34Z")

</div>

Hi,

I wrote this ticket yesterday and it had been deleted and marked as invalid [http://dev.rubyonrails.org/ticket/9066](http://dev.rubyonrails.org/ticket/9066)

Ticket:

---

<div class="post-metadata">

**Author:** ![11175](https://avatars.discourse-cdn.com/v4/letter/1/8edcca/32.png) [@11175](https://discuss.rubyonrails.org/u/11175)\
**Post date:** [September 22, 2008, 2:15pm UTC](https://discuss.rubyonrails.org/t/blocks-using-concat-do-not-work-inside-helper/16082/2 "2008-09-22T14:15:29Z")

</div>

Hi,

I am having the same problem too. I don't understand how to use the concat method inside a helper. It works fine in the view though.