ios - UIWebView: Sending data back to previous controller using unwind segues without button -

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say, instance have uiwebview. if status code of 404, want return data previous view controller knows refresh list of webpages.

i heard unwind segues. however, have found on sounds has implemented via storyboard button.

is there anyway perform unwind segue in code. meaning if find error - set kind of variable previous view controller knows how handle error?

thanks!

you should try searching before ask, answered on here:

how perform unwind segue programmatically?

look @ vadim , dean answers


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