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SqlConnection.DataSource Property

.NET Framework 4.5

Gets the name of the instance of SQL Server to which to connect.

Namespace: System.Data.SqlClient
Assembly: System.Data (in System.Data.dll)

[BrowsableAttribute(true)]
public override string DataSource { get; }

Property Value

Type: System.String
The name of the instance of SQL Server to which to connect. The default value is an empty string.

Remarks

Note
The DataSource property returns null if the connection string for the SqlConnection is "context connection=true".

Examples

The following example creates a SqlConnection and displays some of its read-only properties.

private static void OpenSqlConnection(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();
        Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
        Console.WriteLine("DataSource: {0}", connection.DataSource);
    }
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

SqlConnection Class

System.Data.SqlClient Namespace

Other Resources

Connecting to a Data Source (ADO.NET)

ADO.NET Managed Providers and DataSet Developer Center

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