Call child Javascript function from parent

Question

I have an iframe and inside that iframe a javascript function. I would like to be able to call that function from iframe's parent because I need to set some values inside the iframe when it opens. So far I tried:

 ClientScript.RegisterClientScriptBlock(this.GetType(), "saveTasks", "<script type='text/javascript'> function SaveTasks() { frames['myIframe'].location.href = 'myURL'; frames['myIframe'].test(); } </script>");

However, I am not able to call the test() function found in myURL file.

What is the specific syntax to do this, to call a javascript function inside child from its parent? Thank you

Is this iframe's URL in the same domain as your parent website? — Ian
– Ian, Commented Oct 18, 2012 at 16:31

user1701047 · Accepted Answer · 2012-10-18 16:29:27Z

1

I'm not massively familiar with this. It doesn't appear though that this segment of javascript has any way of being able to know what "frames['myIframe']" is. There's a lot of things that could be potentially going wrong such as is the $document even loaded?

answered Oct 18, 2012 at 16:29

user1701047

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Community · Accepted Answer · 2017-05-23 10:34:54Z

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Found the solution to this: it seems that my child page where the javascript function was found wasn't loaded at the moment when I was calling the function. Fortunately I found the solution to this here.

ClientScript.RegisterClientScriptBlock(this.GetType(), "saveTasks", "<script type='text/javascript'> function SaveTasks() { frames['ValidateTasksIframe'].location.href = 'myURL'; $('#ValidateTasksIframe').load(function() { frames['ValidateTasksIframe'].test();});} </script>");

Using event.load() works like a charm! :)

edited May 23, 2017 at 10:34

CommunityBot

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answered Oct 19, 2012 at 13:10

Crista23

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