Re: Data validation, mapping, and error handling -- WEB400

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The reason for redundant validation is that client validation (Javascript) is a lot faster for the user because it can do it field by field, without calling the server.
But, it is very easy to skip over the validation in the windows client. That's why you also need the validation in the server.
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Nathan Andelin wrote:

Maurice O'Prey wrote:
You could add auto JavaScript generation to handle stage 1...
It seems like the next logical step to me ;-)

Are you suggesting Javascript generation from DDS or SQL DDL specifications? If so, that would be redundant validation, and I'm not sure what purpose that would serve.

Except that it reminds me of something I learned in college. If you have a procedure that fails 1% of the time, and you back it up with a redundant procedure that fails 1% of the time, the resulting failure rate is 1% times 1% = .01%. So if .Net interfaces have a 1% failure rate, then I can see Microsoft's rationale for redundant validation ;-)

Nathan.

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