>Maybe there is a javascript error on the page causing problems. I don't see one in the browser. I've tried running the SL4 app in debug and non-debug modes but I get no extra information from anywhere, just the same "Failed to Invoke" error. No helpful diagnostic information is anywhere that I can find via any trick I can think of so far.
Even if the JavaScript function doesn't exist I get the same error. InvalidOperationException is all I get and nothing else to help me, so it's not even getting as far as the browser. It's like a typical security roadblock, but there are no hints that it is one in this case. This is just a perfectly normal SL4 app with no "weird" things happening, it's just calls a WCF service to send XML back and forth and that's all working fine. I will now compare the html an scripts generated by the VS2010 wizard and my live ones. Greg
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