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OdbcConnection.OdbcConnection() Constructor

Initializes a new instance of the OdbcConnection class.

Namespace: System.Data.Odbc
Assembly: System.Data (in

public OdbcConnection ()
public OdbcConnection ()
public function OdbcConnection ()
Not applicable.

When a new instance of OdbcConnection is created, the write-only and read-only properties are set to the following initial values unless they are specifically set using their associated keywords in the ConnectionString property.


Initial value


empty string ("")




empty string ("")

You can change the value for these properties only by using the ConnectionString property.

The following example creates and opens an OdbcConnection.

static private void CreateOdbcConnection()
    using (OdbcConnection connection = new OdbcConnection())
        connection.ConnectionString = "Driver={Microsoft Access Driver (*.mdb)};DBQ=C:\\Samples\\Northwind.mdb";

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1