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Home/ Questions/Q 257677
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Editorial Team
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Editorial Team
Asked: May 11, 20262026-05-11T22:07:02+00:00 2026-05-11T22:07:02+00:00

i am getting this error on the asp.net mvc default site when i try

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i am getting this error on the asp.net mvc default site when i try to log in:

An error occurred while attempting to initialize a System.Data.SqlClient.SqlConnection object. The value that was provided for the connection string may be wrong, or it may contain an invalid syntax.
Parameter name: connectionString

this is in the file “AccountMembershipService” on the below code

 public bool ValidateUser(string userName, string password)
    {
        return _provider.ValidateUser(userName, password);
    }

any ideas on what might be wrong here?

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  1. Editorial Team
    Editorial Team
    2026-05-11T22:07:02+00:00Added an answer on May 11, 2026 at 10:07 pm

    you should change your connection string in the web.config to work with your current envirement 🙂

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