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ConfigurationManager.ConnectionStrings Property

Gets the ConnectionStringsSection data for the current application's default configuration.

Namespace:  System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

'Declaration
Public Shared ReadOnly Property ConnectionStrings As ConnectionStringSettingsCollection

Property Value

Type: System.Configuration.ConnectionStringSettingsCollection
Returns a ConnectionStringSettingsCollection object that contains the contents of the ConnectionStringsSection object for the current application's default configuration.

A ConnectionStringsSection object contains the contents of the configuration file's connectionStrings section.

The following code example shows how to use the ConnectionStrings property.


' Get the ConnectionStrings section.        
' This function uses the ConnectionStrings 
' property to read the connectionStrings
' configuration section.
Public Shared Sub ReadConnectionStrings()

    ' Get the ConnectionStrings collection.
    Dim connections _
        As ConnectionStringSettingsCollection = _
            ConfigurationManager.ConnectionStrings

    If connections.Count <> 0 Then
        Console.WriteLine()
        Console.WriteLine( _
            "Using ConnectionStrings property.")
        Console.WriteLine( _
            "Connection strings:")

        ' Get the collection elements.
        For Each connection _
            As ConnectionStringSettings In connections
            Dim name As String = connection.Name
            Dim provider As String = _
                connection.ProviderName
            Dim connectionString As String = _
                connection.ConnectionString

            Console.WriteLine( _
                "Name:               {0}", name)
            Console.WriteLine( _
                "Connection string:  {0}", _
                    connectionString)
            Console.WriteLine( _
                "Provider:            {0}", provider)
        Next
    Else
        Console.WriteLine()
        Console.WriteLine( _
            "No connection string is defined.")
        Console.WriteLine()
    End If
End Sub


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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