CCNA, CCNP, MCSA, CCNA Final Exam, All Answer Test Module With 100/100

Is there an elegant way to handle exceptions that are thrown in the a finally block?

I'm doing some simple tests (in preparation for a larger project) to call an ASP.NET WebMethod using JQuery AJAX. In my example, my WebMethod returns a simple string. However, when I attempt to call it using JQuery, I get the entire HTML page content returned instead of just my string. What am I missing?

I'm working on some JQuery to hide/show some content when I click a link. I can create something like:

I would really like use the jQuery Validation plugin in my ASP.NET Web Forms application (not MVC). I find it easier than adding asp validators everywhere and setting the control to validate field on all of them.

I'm kind of new to JavaScript and jQuery and now I'm facing a problem:

I'm writing a JSON service in C# (.ashx file). On a successful request to the service I return some JSON data. If the request fails, either because an exception was thrown (e.g. database timeout) or because the request was wrong in some way (e.g. an ID that doesn't exist in the database was given as an argument) how should the service respond? What HTTP status codes are sensible, and should I return any data, if any?

I am trying to add a Google Plus button to my site, and keep getting JavaScript safety warnings, despite the fact that I am using Google's recommended code, on Chrome.