I'm extending the content by query webpart to handle dynamic query string variables. Yes, I know, it's built in, but I need more than 3 and even just using 3 through the GUI consistently throws errors. And, since I only need them one at a time, it seemed
more logical to extend it.
Anyway, I'd like to return an error when whatever is filtered for doesn't return results - or when someone messes with the URL variables and causes an error. But, I don't know how to go about doing that, and googling is only finding information on other
kinds of errors people have using the cqwp.
Anyone able to point me in the right direction?
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