Web User Controls(ascx) 1.1 VS 2.0

19 Jun 2006 3:06 AM

Pony Tsui

I writed a user controls in vs2003, it's work fine, recently i move it to
VS2005, open IE, everything is fine, but when i open the firefox, the control
can not run, the control use client side javascript, so i check the firefox's
javascript console, it show a error: myControlID(in ascx)_controlID(in aspx)
not found, i open the Vs2003 & 2005 web page from IE & FireFox and view the
rend out html page source, i found the control ID in page source is different:

in vs2003 page IE & Firefox is myControlID(in ascx):controlID(in aspx)
in vs2005 page IE myControlID(in ascx):controlID(in aspx)
but Firefox is myControlID(in ascx)$controlID(in aspx)
the different is ':' & '$'

i don't know the exact problem is, can anyone help me, thanks.

--
Pony Tsui

19 Jun 2006 10:27 AM

Walter Wang [MSFT]

Hi Pony,

Thank you for your post.

Based on my understanding, the problem is: you're reference some server
control in your client-side javascript and found that the generated control
id is different in different browser. If I've misunderstood anything,
please feel free to post here.

It is recommended that you do not rely on directly referencing the IDs as
you can see them in the browser. The formula used to generate unique IDs
for child controls can change. Instead, get the value of the child
control's ClientID property and use that value to reference the child
control. For more info, please refer to following MSDN documentation:

#Client Script in ASP.NET Web Pages
http://msdn2.microsoft.com/en-us/3hc29e2a.aspx#IdentifyingServerControlsInCl
ientScript

Regards,
Walter Wang
Microsoft Online Community Support

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