WebConfigurationManager.ConnectionStrings Property

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

Namespace: System.Web.Configuration
Assembly: System.Web (in system.web.dll)

public static ConnectionStringSettingsCollection ConnectionStrings { get; }
/** @property */
public static ConnectionStringSettingsCollection get_ConnectionStrings ()

public static function get ConnectionStrings () : ConnectionStringSettingsCollection

Not applicable.

Property Value

A ConnectionStringSettingsCollection object that contains the contents of the ConnectionStringsSection object for the current Web application's default configuration.

Exception typeCondition


A valid ConnectionStringSettingsCollection object could not be retrieved.

The following example shows how to use the ConnectionStrings property to access configuration information.

// Show the use of ConnectionStrings. 
// If called from within a client application,
// the GetWebApplicationSection(string) gets the default section 
// from the machine.config.
// If called from within a Web aplication it gets the
// section from the configuration file located at the 
// application current level. 
static void GetConnectionStrings()

    // Get the connectionStrings key,value pairs collection.
    ConnectionStringSettingsCollection connectionStrings =
        as ConnectionStringSettingsCollection;

    // Get the collection enumerator.
    IEnumerator connectionStringsEnum =

    // Loop through the collection and 
    // display the connectionStrings key, value pairs.
    int i = 0;
    Console.WriteLine("[Display connectionStrings]");
    while (connectionStringsEnum.MoveNext())
        string name = connectionStrings[i].Name;
        Console.WriteLine("Name: {0} Value: {1}",
        name, connectionStrings[name]);
        i += 1;


Windows 98, Windows Server 2000 SP4, 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

Community Additions