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Essential Objects Product Support Forum » All Products » Support » Force the callback

Force the callback Options
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dmacchia
Posted: Monday, April 28, 2008 1:06:51 AM
Rank: Member
Groups: Member

Joined: 10/15/2007
Posts: 23
Hello. I have a Treeview control inside a CallbackPanel. I would like the treeview to be updated with a newly created node. However, the trigger that needs to force the callback is inside a user control (ascx) that is loaded dynamically, so I can't just list it as a trigger in the CallbackPanel's properties.

Does that mean I need to force the callback in the CallbackPanel? If so, I tried the following, but it does not seem to work:

Code: Visual Basic.NET 
Response.Write("<script>eo_Callback('" & controlName & "');</script>")


Thanks,
David
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eo_support
Posted: Monday, April 28, 2008 6:04:18 AM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,218
eo_Callback should work. I don't think should use Response.Write though. Response.Write never work with AJAX calls. Put an asp:Label in your .aspx and then set the Label's Text instead.
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dmacchia
Posted: Monday, April 28, 2008 8:21:19 AM
Rank: Member
Groups: Member

Joined: 10/15/2007
Posts: 23
Response.Write always works. I use it all the time. In fact, I believe this method was suggested by EO in one of your forum posts and I have adopted it since.

Past that, I guess I'll go back to the drawing board.
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