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Editorial Team
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Editorial Team
Asked: May 18, 20262026-05-18T10:31:26+00:00 2026-05-18T10:31:26+00:00

I have Installed SQL server 2008 I want to connect to it using c#

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I have Installed SQL server 2008 I want to connect to it using c# i have managed to establish connection by using tools->Connect to database but when i write connection string and try to open the connection then exception occurs “Instance Failure”. what is wrong my server name is NEO-SOFT-SOL\SQLEXPRESS and connection string I used is @"Data Source=NEO-SOFT-SOL\\SQLEXPRESS;Initial Catalog=user;Integrated Security=True";

what is wrong?

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  1. Editorial Team
    Editorial Team
    2026-05-18T10:31:27+00:00Added an answer on May 18, 2026 at 10:31 am

    If you’re using the @ symbol, then \\ really means two slashes, you probably want just one \

    See the verbatim string literals documentation for some examples to help explain.

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