HostingEnvironmentSection Classe

Definizione

public ref class HostingEnvironmentSection sealed : System::Configuration::ConfigurationSection

public sealed class HostingEnvironmentSection : System.Configuration.ConfigurationSection

type HostingEnvironmentSection = class
    inherit ConfigurationSection

Public NotInheritable Class HostingEnvironmentSection
Inherits ConfigurationSection

Ereditarietà

Object

ConfigurationElement

ConfigurationSection

HostingEnvironmentSection

Esempio

In questo esempio viene illustrato come specificare i valori in modo dichiarativo per diversi attributi della sezione hostingEnvironment (schema ASP.NET Settings), accessibile anche come membri della classe HostingEnvironmentSection.

Nell'esempio di file di configurazione seguente viene illustrato come specificare i valori in modo dichiarativo per la sezione hostingEnvironment (schema ASP.NET Impostazioni).

<system.web>
  <hostingEnvironment
    idleTimeout="20"
    shutdownTimeout="30"
  />
</system.web>

Nell'esempio di codice seguente viene illustrato come usare la HostingEnvironmentSection classe .

#region Using directives

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

#endregion

namespace Samples.Aspnet.SystemWebConfiguration
{
  class UsingHostingEnvironmentSection
  {
    static void Main(string[] args)
    {
      try
      {
        // Set the path of the config file.
        string configPath = "";
 
        // Get the Web application configuration object.
        Configuration config = WebConfigurationManager.OpenWebConfiguration(configPath);

        // Get the section related object.
        HostingEnvironmentSection configSection = 
          (HostingEnvironmentSection)config.GetSection("system.web/hostingEnvironment");

        // 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);

        // Display IdleTimout property
        Console.WriteLine("Idle Timeout: {0}", configSection.IdleTimeout);

        // Set IdleTimout property
        configSection.IdleTimeout = TimeSpan.FromMinutes(40);

        // Display ShutdownTimeout property
        Console.WriteLine("Shutdown Timeout: {0}", configSection.ShutdownTimeout);

        // Set ShutdownTimeout property
        configSection.ShutdownTimeout = TimeSpan.FromSeconds(60);

        // Update if not locked.
        if (!configSection.SectionInformation.IsLocked)
        {
          config.Save();
          Console.WriteLine("** Configuration updated.");
        }
        else
        {
          Console.WriteLine("** Could not update, section is locked.");
        }
      }
      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.SystemWebConfiguration
  Class UsingSiteMapSection
    Public Shared Sub Main()
      Try
        ' Set the path of the config file.
        Dim configPath As String = ""

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

        ' Get the section related object.
        Dim configSection As System.Web.Configuration.HostingEnvironmentSection = _
         CType(config.GetSection("system.web/hostingEnvironment"), System.Web.Configuration.HostingEnvironmentSection)

        ' 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)

        ' Display the IdleTimout property
        Console.WriteLine("Idle Timeout: {0}", configSection.IdleTimeout)

        ' Set the IdleTimout property
        configSection.IdleTimeout = TimeSpan.FromMinutes(40)

        ' Display the ShutdownTimeout property
        Console.WriteLine("Shutdown Timeout: {0}", configSection.ShutdownTimeout)

        ' Set the ShutdownTimeout property
        configSection.ShutdownTimeout = TimeSpan.FromSeconds(60)

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

      Catch e As Exception
        ' Unknown error.
        Console.WriteLine(e.ToString())
      End Try

      ' Display and wait
      Console.ReadLine()
    End Sub
  End Class
End Namespace

Commenti

La classe HostingEnvironmentSection consente di accedere a livello di codice e modificare i valori della sezione HostingEnvironmentSection nel file di configurazione. Quando un'applicazione ASP.NET non viene usata per un periodo di tempo specificato, può essere scaricata dalla memoria in base alle proprietà IdleTimeout e ShutdownTimeout.

Vedi anche

• ConfigurationSection
• HostingEnvironment
• IdleTimeout
• ShutdownTimeout