> Does anybody know if you can cfthrow a user defined exception > inside of a custom tag and cfcatch it in the calling template?
Yes, you can certainly do this. To me, this is one of the best things about exception handling - its use between components as an "error messaging system".
You can build relatively complex exception handlers within custom tags, which might throw an internal exception, catch that exception, and rethrow it using CFTHROW to an external exception handler within the calling page. You also have the CFRETHROW tag, which is designed to do this explicitly.
Dave Watts, CTO, Fig Leaf Software http://www.figleaf.com/ voice: (202) 797-5496 fax: (202) 797-5444
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Dave Watts