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Validating incorrect entries in HtmlInputFile

Is there a way to validate an incorrect entry in HtmlInputFile control?

Problem: If a user types a filename (minus the filepath) in the
HtmlInputFile control, say "yy" and then navigates to another control on the
form, a javascript error occurs.

This error can also be replicated in yahoo attachments.

The application works fine if a file is selected using the "Browse" button.
Sep 26 '05 #1
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