KeyValueConfigurationCollection Sınıf

Tanım

public ref class KeyValueConfigurationCollection : System::Configuration::ConfigurationElementCollection

[System.Configuration.ConfigurationCollection(typeof(System.Configuration.KeyValueConfigurationElement))]
public class KeyValueConfigurationCollection : System.Configuration.ConfigurationElementCollection

[<System.Configuration.ConfigurationCollection(typeof(System.Configuration.KeyValueConfigurationElement))>]
type KeyValueConfigurationCollection = class
    inherit ConfigurationElementCollection

Public Class KeyValueConfigurationCollection
Inherits ConfigurationElementCollection

Devralma

Object

ConfigurationElement

ConfigurationElementCollection

KeyValueConfigurationCollection

Öznitelikler

ConfigurationCollectionAttribute

Örnekler

Aşağıdaki kod örneğinde türün nasıl kullanılacağı gösterilmektedir KeyValueConfigurationCollection .

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

namespace Samples.Aspnet.Config
{
  class KeyValueConfigCollection
  {
    static void Main(string[] args)
    {
      try
      {
        // Set the path of the config file.
        string configPath = "/aspnet";

        // Get the Web application configuration object.
        Configuration config =
          WebConfigurationManager.OpenWebConfiguration(configPath);

        // Get the section related object.
        AppSettingsSection configSection =
          (AppSettingsSection)config.GetSection
          ("appSettings");

        // Display title and info.
        Console.WriteLine("ASP.NET Configuration Info");
        Console.WriteLine();

        // Display Config details.
        Console.WriteLine("File Path: {0}",
          config.FilePath);
        Console.WriteLine("Section Path: {0}",
          configSection.SectionInformation.Name.ToString());
        Console.WriteLine();

        // Create the KeyValueConfigurationElement.
        KeyValueConfigurationElement myAdminKeyVal = 
          new KeyValueConfigurationElement(
          "myAdminTool", "admin.aspx");

        // Determine if the configuration contains
        // any KeyValueConfigurationElements.
        KeyValueConfigurationCollection configSettings = 
          config.AppSettings.Settings;
        if (configSettings.AllKeys.Length == 0)
        {
          // Add KeyValueConfigurationElement to collection.
          config.AppSettings.Settings.Add(myAdminKeyVal);

          if (!configSection.SectionInformation.IsLocked)
          {
            config.Save();
            Console.WriteLine("** Configuration updated.");
          }
          else
          {
            Console.WriteLine("** Could not update, section is locked.");
          }
        }

        // Get the KeyValueConfigurationCollection 
        // from the configuration.
        KeyValueConfigurationCollection settings = 
          config.AppSettings.Settings;

        // Display each KeyValueConfigurationElement.
        foreach (KeyValueConfigurationElement keyValueElement in settings)
        {
          Console.WriteLine("Key: {0}", keyValueElement.Key);
          Console.WriteLine("Value: {0}", keyValueElement.Value);
          Console.WriteLine();
        }
      }
      catch (Exception e)
      {
        // Unknown error.
        Console.WriteLine(e.ToString());
      }

      // Display and wait
      Console.ReadLine();
    }
  }
}

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

Namespace Samples.Aspnet.Config
  Class KeyValueConfigCollection
    Public Shared Sub Main()
      Try
        ' Set the path of the config file.
        Dim configPath As String = "/aspnet"

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

        ' Get the section related object.
        Dim configSection As System.Configuration.AppSettingsSection = _
        CType(config.GetSection("appSettings"), System.Configuration.AppSettingsSection)

        '      Dim configSection As AppSettingsSection = _
        '       (AppSettingsSection)config.GetSection("appSettings")

        ' Display title and info.
        Console.WriteLine("ASP.NET Configuration Info")
        Console.WriteLine()

        ' Display Config details.
        Console.WriteLine("File Path: {0}", config.FilePath)
        Console.WriteLine("Section Path: {0}", _
          configSection.SectionInformation.Name.ToString())
        Console.WriteLine()

        ' Create the KeyValueConfigurationElement.
        Dim myAdminKeyVal As KeyValueConfigurationElement = _
          New KeyValueConfigurationElement _
          ("myAdminTool", "admin.aspx")


        ' Determine if the configuration contains
        ' any KeyValueConfigurationElements.
        Dim configSettings As KeyValueConfigurationCollection = _
        config.AppSettings.Settings()

        If configSettings.AllKeys.Length = 0 Then
          ' Add KeyValueConfigurationElement to collection.
          config.AppSettings.Settings.Add(myAdminKeyVal)

          If Not configSection.SectionInformation.IsLocked Then
            config.Save()
            Console.WriteLine("** Configuration updated.")
          Else
            Console.WriteLine("** Could not update, section is locked.")
          End If
        End If

        ' Get the KeyValueConfigurationCollection 
        ' from the configuration.
        Dim settings As KeyValueConfigurationCollection = _
        config.AppSettings.Settings()

        ' Display each KeyValueConfigurationElement.
        Dim keyValueElement As KeyValueConfigurationElement
        For Each keyValueElement In settings
          Console.WriteLine("Key: {0}", keyValueElement.Key)
          Console.WriteLine("Value: {0}", keyValueElement.Value)
          Console.WriteLine()
        Next

      Catch e As System.ArgumentException
        ' Unknown error.
        Console.WriteLine(e.ToString())
      End Try
      ' Display and wait
      Console.ReadLine()
    End Sub
  End Class
End Namespace

Açıklamalar

Bu sınıf, her çiftin bir koleksiyon anahtarı ve dize değeri olarak hizmet veren bir dizeden oluştuğu çift koleksiyonunu temsil eder. İlk öğe bir anahtar olduğundan, koleksiyon genelinde benzersiz olmalıdır.

Oluşturucular

Özellikler

Yöntemler

Belirtik Arabirim Kullanımları

Uzantı Metotları

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