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ConnectionStringSettings Class

Represents a single, named connection string in the connection strings configuration file section.

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

public sealed class ConnectionStringSettings : ConfigurationElement

A ConnectionStringSettings object represents a single entry in the connectionStrings configuration file section.

The following example shows how to access a ConnectionStringSettings object at a given index in a ConnectionStringSettingsCollection collection.

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Web.Configuration;
using System.Collections;
using System.Text;

namespace ConfigurationStringSettings

    class ConfigurationStringSettings

        static void DisplayConnectionStrings()
            // Set the path of the config file. 
            // Make sure that you have a Web site on the 
            // same server called TestConfig. 
            string configPath = "/TestConfig";

            // Get the Web application configuration object.
            Configuration config =

            // Get the conectionStrings section.
            ConnectionStringsSection csSection =

            Console.WriteLine("Display configuration strings.");

            for (int i = 0; i <
                ConfigurationManager.ConnectionStrings.Count; i++)
                ConnectionStringSettings cs =

                Console.WriteLine("  Connection String: \"{0}\"",

                Console.WriteLine("#{0}", i);
                Console.WriteLine("  Name: {0}", cs.Name);

                Console.WriteLine("  Provider Name: {0}",



        static void Main(string[] args)
            {   // Display connection strings.
            catch (Exception e)
                // Unknown error.

            // Display and wait.
            Console.WriteLine("Enter any key to exit.");


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0