I'm trying to load javascript code with a user web control into a page via a the Page.LoadControl method during an asyncron post back of an update panel.
I've tried the specially for that scenario designed methods of the scriptmanager, but the javascript just doens't get returned to the user.
To explain my scenario a bit better:
Master Page has the script manager and one page loads the user control via Page.LoadControl-method during an async post back. The custom control injects in the pre-render event handler the javascript. Is that a matter of timing to inject the js or is it just not possible to do so?
For that you can do
string scr;
scr = "<script src='/scripts/myscript.js'></script>"
Page.ClientScript.RegisterStartupScript(GetType(Page), "key", scr, false)
HTH