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SqlConnectionStringBuilder.DataSource Property

Gets or sets the name or network address of the instance of SQL Server to connect to.

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)
'Declaration
Public Property DataSource As String

Property Value

Type: System.String
The value of the DataSource property, or String.Empty if none has been supplied.
ExceptionCondition
ArgumentNullException

To set the value to null, use Value.

This property corresponds to the "Data Source", "server", "address", "addr", and "network address" keys within the connection string. Regardless of which of these values has been supplied within the supplied connection string, the connection string created by the SqlConnectionStringBuilder will use the well-known "Data Source" key.

The following example demonstrates that the SqlConnectionStringBuilder class converts synonyms for the "Data Source" connection string key into the well-known key:

Imports System.Data.SqlClient

Module Module1

    Sub Main()
        Dim builder As _
         New SqlConnectionStringBuilder( _
         "Network Address=(local);Integrated Security=SSPI;" & _
         "Initial Catalog=AdventureWorks")

        ' Display the connection string, which should now  
        ' contain the "Data Source" key, as opposed to the  
        ' supplied "Network Address".
        Console.WriteLine(builder.ConnectionString)

        ' Retrieve the DataSource property:
        Console.WriteLine("DataSource = " & builder.DataSource)

        Console.WriteLine("Press any key to continue.")
        Console.ReadLine()
    End Sub 
End Module

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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