Posts by Ellen Cristina • 1 point

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  Q: System.Nullreferenceexception: 'Undefined object reference for an instance of an object. ' Mongo was null

  I need to make a confirmation in the code, where the client inserts the cnpj and if it is already in the database, it will be possible to continue the registration, otherwise the code will be…

  c# mongodb

  asked 3 years, 10 months ago Ellen Cristina 1