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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.

ExceptionCondition
ConfigurationErrorsException

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 =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

// Get the section.
UrlsSection section =
    (UrlsSection)config.GetSection("MyUrls");


SectionInformation sInfo =
    section.SectionInformation;

The following example gets the AllowDefinition value.

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

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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