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input value must not exist already in odata

How can I validate the Input of a field for creating new data, comparing with duplikates already existing in odata?

I don't know how to handle the Information from odata model to compare values.

Many thanks

Chris

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1 Answer

  • Aug 03, 2017 at 02:45 PM

    Do you want to compare the user entered data with the data from backend?

    If yes, then trigger the service and store the data from backend service into a local json model.

    Then, compare the user data(input field) with the data in local json model.

    If your scenario is completely different, then ignore the above lines. :(

    Regards,

    Sharath

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