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  1. #1
    Join Date
    Mar 2004

    Unanswered: run-time error '457'

    We have VB program that use SQL server as backend. Recently, it came up an error message:

    run-time error '457': this key is already associated with an element of this collection

    When user do some other function in this program. Then they come back to this function. It worked fine. This morning, when they first start their computer to try to use this function, the error message came up again. When she restart the computer, they check this function again work fine. What is the problem? Could you please help me? Thanks in advance.

  2. #2
    Join Date
    Jun 2004
    Arizona, USA
    Could you post the code of the function? Anything we answer would be a wild guess, otherwise...
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