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Editorial Team
Asked: May 12, 20262026-05-12T10:33:21+00:00 2026-05-12T10:33:21+00:00

I have the following connection string: Data Source=localhost\\SQLEXPRESS; , it complains that ” is

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I have the following connection string: "Data Source=localhost\\SQLEXPRESS;", it complains that '' is an invalid username. I can’t quite remember the user name or password commands, nor can i remember if there’s anything else i’m missing. Can someone help?

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  1. Editorial Team
    Editorial Team
    2026-05-12T10:33:22+00:00Added an answer on May 12, 2026 at 10:33 am

    The simplest option is to use Integrated Security:

    @"Data Source=localhost\SQLEXPRESS;Integrated Security=true"
    
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