remove Element for providers for sessionState (ASP.NET Settings Schema)

아티클
04/30/2007

Removes a reference to an inherited session-state store provider from the collection.

This element is new in the .NET Framework version 2.0.

<remove 
   name="provider name"
/>

Attributes and Elements

The following sections describe attributes, child elements, and parent elements.

Attributes

Attribute	Description
name	Required String attribute. Specifies the name of the instance of the session-state store provider to remove from the collection.

name

Required String attribute.

Specifies the name of the instance of the session-state store provider to remove from the collection.

Child Elements

None.

Parent Elements

Element	Description
configuration	Specifies the required root element in every configuration file that is used by the common language runtime and the .NET Framework applications.
system.web	Specifies the root element for the ASP.NET configuration settings in a configuration file and contains configuration elements that configure ASP.NET Web applications and control how the applications behave.
sessionState	Configures session-state settings for the current application.
providers	Contains a collection of custom session-state store providers.

Remarks

The remove element removes a reference to an inherited session state store provider from the collection in the providers element.

The providers element contains a collection of custom session-state store providers. The custom session-state store provider must inherit from the SessionStateStoreProviderBase class.

For information about accessing and modifying configuration values for the sessionState element in application code, see ProviderSettingsCollection and Providers.

Example

The following code example shows how to configure the Web.config file for an ASP.NET application to use a custom session-state store provider. The example removes the existing session-state store provider object named OdbcSessionProvider by using the remove element before adding the custom session-state store provider.

For information about implementing a session-state store provider, including a sample provider, see Implementing a Session-State Store Provider.

<configuration>
  <connectionStrings>
    <add name="OdbcSessionServices" connectionString="DSN=SessionState;" />
  </connectionStrings>

  <system.web>
    <sessionState 
      cookieless="true"
      regenerateExpiredSessionId="true" 
      mode="Custom"
      customProvider="OdbcSessionProvider">
      <providers>
        <remove name="OdbcSessionProvider" />
        <add name="OdbcSessionProvider"
          type="Samples.AspNet.Session.OdbcSessionStateStore"
          connectionStringName="OdbcSessionServices" 
          writeExceptionsToEventLog="false" />
      </providers>
    </sessionState>
  </system.web>
</configuration>

Element Information

Configuration section handler	SessionStateSection
Configuration member	Remove Providers
Configurable locations	Machine.config Root-level Web.config Application-level Web.config
Requirements	Microsoft Internet Information Services (IIS) version 5.0, 5.1, or 6.0 The .NET Framework version 2.0 Microsoft Visual Studio 2003 or Visual Studio 2005

providers Element for sessionState (ASP.NET Settings Schema)
add Element for providers for sessionState (ASP.NET Settings Schema)
clear Element for providers for sessionState (ASP.NET Settings Schema)
providers Element for sessionState (ASP.NET Settings Schema)
sessionState Element (ASP.NET Settings Schema)
system.web Element (ASP.NET Settings Schema)
configuration Element (General Settings Schema)
System.Configuration
System.Web.Configuration
SessionStateSection
ProviderSettingsCollection
Providers
SessionStateStoreProviderBase

Concepts

Implementing a Session-State Store Provider
Securing Session State
ASP.NET Configuration File Hierarchy and Inheritance
Securing ASP.NET Configuration
ASP.NET Configuration Scenarios

Other Resources

Protected Configuration
General Configuration Settings (ASP.NET)
ASP.NET Configuration Settings
Configuring ASP.NET Applications
ASP.NET Configuration API

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