ConnectionStringSettings Classe

Définition

public ref class ConnectionStringSettings sealed : System::Configuration::ConfigurationElement

public sealed class ConnectionStringSettings : System.Configuration.ConfigurationElement

type ConnectionStringSettings = class
    inherit ConfigurationElement

Public NotInheritable Class ConnectionStringSettings
Inherits ConfigurationElement

Héritage

Object

ConfigurationElement

ConnectionStringSettings

Exemples

L’exemple suivant montre comment accéder à un ConnectionStringSettings objet à un index donné dans une ConnectionStringSettingsCollection collection.

using System;
using System.Configuration;
using System.Web.Configuration;

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 =
              WebConfigurationManager.OpenWebConfiguration(configPath);

            // Get the conectionStrings section.
            ConnectionStringsSection csSection =
                config.ConnectionStrings;

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

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

                Console.WriteLine("  Connection String: \"{0}\"",
                    cs.ConnectionString);

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

                Console.WriteLine("  Provider Name: {0}",
                    cs.ProviderName);
            }
        }

        static void Main(string[] args)
        {
            try
            {   // Display connection strings.
                DisplayConnectionStrings();
            }
            catch (Exception e)
            {
                // Unknown error.
                Console.WriteLine(e.ToString());
            }

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

Imports System.Collections.Generic
Imports System.Configuration
Imports System.Web.Configuration
Imports System.Collections
Imports System.Text


Namespace ConfigurationStringSettings

    Class ConfigurationStringSettings

        Shared Sub DisplayConnectionStrings()
            ' Set the path of the config file.
            ' Make sure that you have a Web site on the
            ' same server called TestConfig. 
            Dim configPath As String = "/TestConfig"

            ' Get the Web application configuration object.
            Dim config As Configuration = _
            WebConfigurationManager.OpenWebConfiguration(configPath)


            ' Get the conectionStrings section.
            Dim csSection As ConnectionStringsSection = _
            config.ConnectionStrings

            Console.WriteLine("Display configuration strings.")

            Dim i As Integer = 0
            While i < ConfigurationManager.ConnectionStrings.Count
                Dim cs As ConnectionStringSettings = _
                csSection.ConnectionStrings(i)

                Console.WriteLine("  Connection String: ""{0}""", _
                                  cs.ConnectionString)

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

                Console.WriteLine("  Provider Name: {0}", cs.ProviderName)
                System.Math.Max(System.Threading.Interlocked.Increment(i), i - 1)
            End While

        End Sub


        Shared Sub Main(ByVal args As String())
            Try
                ' Display connection strings.
                DisplayConnectionStrings()
            Catch e As Exception
                ' Unknown error.
                Console.WriteLine(e.ToString())
            End Try

            ' Display and wait.
            Console.WriteLine("Enter any key to exit.")
            Console.ReadLine()
        End Sub
    End Class
End Namespace

Remarques

Un ConnectionStringSettings objet représente une entrée unique dans la section du connectionStrings fichier de configuration.

Voir aussi

• ConnectionStringsSection
• ConnectionStringSettingsCollection