NameValueConfigurationCollection Class
.NET Framework 2.0
Note: This class is new in the .NET Framework version 2.0.
Contains a collection of NameValueConfigurationElement objects. This class cannot be inherited.
Namespace: System.Configuration
Assembly: System.Configuration (in system.configuration.dll)
Assembly: System.Configuration (in system.configuration.dll)
'Declaration Public NotInheritable Class NameValueConfigurationCollection Inherits ConfigurationElementCollection 'Usage Dim instance As NameValueConfigurationCollection
public final class NameValueConfigurationCollection extends ConfigurationElementCollection
public final class NameValueConfigurationCollection extends ConfigurationElementCollection
The following code example demonstrates how to use the NameValueConfigurationCollection type.
Imports System Imports System.Configuration Imports System.Web.Configuration Imports System.Collections Imports System.Text Namespace Samples.AspNet Class UsingNameValueConfigurationCollection 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 = _ WebConfigurationManager.OpenWebConfiguration(configPath) ' Get the section related object. Dim configSection As _ AnonymousIdentificationSection = _ CType(config.GetSection("system.web/anonymousIdentification"), _ AnonymousIdentificationSection) ' Display title and info. Console.WriteLine("Configuration Info") Console.WriteLine() ' Display Config details. Console.WriteLine("File Path: {0", _ config.FilePath) Console.WriteLine("Section Path: {0", _ configSection.SectionInformation.Name) Console.WriteLine() ' Create a NameValueConfigurationCollection object. Dim myNameValConfigCollection As NameValueConfigurationCollection = _ New NameValueConfigurationCollection() For Each propertyItem As PropertyInformation In _ configSection.ElementInformation.Properties Dim nameValConfigElement As NameValueConfigurationElement = _ New NameValueConfigurationElement _ (propertyItem.Name.ToString(), propertyItem.Value.ToString()) ' Add a NameValueConfigurationElement ' to the collection. myNameValConfigCollection.Add(nameValConfigElement) Next ' Count property. Console.WriteLine("Collection Count: {0", _ myNameValConfigCollection.Count) ' Item property. Console.WriteLine("Value of property 'enabled': {0", _ myNameValConfigCollection.Item("enabled").Value) ' Display the contents of the collection. For Each configItem As NameValueConfigurationElement In _ myNameValConfigCollection Console.WriteLine() Console.WriteLine("Configuration Details:") Console.WriteLine("Name: {0", configItem.Name) Console.WriteLine("Value: {0", configItem.Value) Next ' Remove method. Dim myConfigElement As NameValueConfigurationElement = _ myNameValConfigCollection.Item("domain") myNameValConfigCollection.Remove(myConfigElement) ' Clear method. myNameValConfigCollection.Clear() Catch e As Exception ' Unknown error. Console.WriteLine(e.ToString()) End Try ' Display and wait. Console.ReadLine() End Sub End Class End Namespace
System.Object
System.Configuration.ConfigurationElement
System.Configuration.ConfigurationElementCollection
System.Configuration.NameValueConfigurationCollection
System.Configuration.ConfigurationElement
System.Configuration.ConfigurationElementCollection
System.Configuration.NameValueConfigurationCollection
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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