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SqlConnection.DataSource Property

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.

NoteNote

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

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);
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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