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Editorial Team
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Asked: 2026-05-11T16:35:04+00:00

I am building a Winforms C# 2.0 application. I have successfully been able to

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I am building a Winforms C# 2.0 application.

I have successfully been able to connect to my SLQ Server database using the following:
m_connexion = new SqlConnection(“server=192.168.xxx.xxx;uid=…;pwd=…;database=…”);

Because my company wanted to be able to use any database, I went on to use the Odbc driver and my commands went on like this:

m_connexion = new OdbcConnection(“server=192.168.xxx.xxx;uid=…;pwd=…;database=…”);

However, this throws out a System.InvalidOperationException. Any idea why?

I’m also trying to use a DSN, but the commend
OdbcConnection connection = new OdbcConnection(“DSN=MyDataSourceName”); suggested here but it likewise throws my a System.InvalidOperationException

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1 Answer

  1. Editorial Team

    The connection string needs a Provider= so that the ODBC drivers know which server you’re connecting to. In this case Provider=SQLSERVER I believe.

    UPDATE: Should have been Provider=SQLOLEDB

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