User control in aspx page

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hi,
i want to store the id of a user controls(ascx) in javascript file
so that i can retrieve that id in aspx page at later stage

how can i do that>?

Posted 4-Jul-11 23:15pm

Mihir Padechiya

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Sergey Alexandrovich Kryukov 5-Jul-11 5:17am

Id?
--SA

2 solutions

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Chris_Green · Answer 1 · 2011-07-05T01:38:00

Solution 1

<script>

var id = <%=myControl.ClientId%>

</script>

However, this is not a nice technique. Why not have your js function take the ID as a parameter? Then in the codebehind add your event and use the ClintID there.

Posted 5-Jul-11 1:38am

Chris_Green

fjdiewornncalwe · Answer 2 · 2011-07-05T02:11:00

When you build your form, you have to assign an id to the user control that is unique to the page. That id tag is what you use in the code behind to access the user control from code. The client id is only useful on the client side if you wish to manipulate the control in some way from javascript. The only caveat on this is if you are using a control like a Gridview. In those cases you can loop through each of the items from the code behind and then pull out the individually names controls that may exist in your templates. This again would be done by id and not client id so there really should be no purpose for you knowing the client id in the code behind. If there is a valid reason that I am missing, please update the question to explain why you need it.