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SectionInformation.AllowDefinition Property

Gets or sets a value that indicates where in the configuration file hierarchy the associated configuration section can be defined.

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

public ConfigurationAllowDefinition AllowDefinition { get; set; }

Property Value

Type: System.Configuration.ConfigurationAllowDefinition
A value that indicates where in the configuration file hierarchy the associated ConfigurationSection object can be declared.


The selected value conflicts with a value that is already defined.

AllowDefinition applies only to configuration files of Web applications. For client applications, you must use AllowExeDefinition.

The examples in this section show how to get the AllowDefinition property value after accessing the related section information in the configuration file.

The following example gets the SectionInformation object.

// Get the current configuration file.
System.Configuration.Configuration config =

// Get the section.
UrlsSection section =

SectionInformation sInfo =

The following example gets the AllowDefinition value.

ConfigurationAllowDefinition allowDefinition =
Console.WriteLine("Allow definition: {0}", 
    allowDefinition.ToString() );

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