TrustSection Class

Configures the code-access security level that is applied to an application. This class cannot be inherited.

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

'Declaration
Public NotInheritable Class TrustSection
	Inherits ConfigurationSection
'Usage
Dim instance As TrustSection

public final class TrustSection extends ConfigurationSection
public final class TrustSection extends ConfigurationSection
Not applicable.

The TrustSection class provides a way to programmatically access and modify the configuration file <trust> section. The <trust> section configures the code-access-security permissions set that is used to run a particular application. This section can be declared at the machine, site, and application levels.

This section provides two code examples. The first demonstrates how to declaratively specify values for several properties of the TrustSection class. The second demonstrates how to use the TrustSection type.

The following configuration file example shows how to declaratively specify values for several properties of the TrustSection class.

<system.web>
  <trust level="Full" originUrl=""/>
</system.web>

The following code example demonstrates how to use the TrustSection type.

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

Namespace Samples.Aspnet.SystemWebConfiguration
  Class UsingTrustSection
    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.TrustSection = _
        CType(config.GetSection("system.web/trust"), _
        System.Web.Configuration.TrustSection)

        ' 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 Level property.
        Console.WriteLine("Level: {0}", configSection.Level)

        ' Set Level property.
        configSection.Level = "High"

        ' Display OriginUrl property.
        Console.WriteLine("Origin Url: {0}", configSection.OriginUrl)

        ' Set OriginUrl property.
        configSection.OriginUrl = ""

        ' 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

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 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

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