Re: Throwing exceptions problem

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Hi J055,

Since you provided 2 separate code snippets of your project, it is hard for
the community to image the relationship between them, so it is almost
impossible for us to judge if your second reply has anything to do with
first AddAccount() method issue.

Let's focus on your first AddAccount() exception issue first.

To find out why the AddAccount() will return a null reference to the
calling procedure, the simplest way is placing a breakpoint in the
AddAccount() method and run your code under debugger. Then you can use F10
to step through each statement in this method, it should be easy to find
out which statement finally caused the method to exit and why null
reference is returned.

Based on my experience, I suspect the ArgumentOutOfRangeException is not
thrown. Because if the ArgumentOutOfRangeException is thrown, the
AddAccount() method will terminate execution immediately and it will not
return anything to the calling procedure.

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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