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add Element for clientTarget (ASP.NET Settings Schema)

Adds an alias for a specific user agent to an internal collection of user agent aliases.

<configuration> Element
  system.web Element (ASP.NET Settings Schema)
    clientTarget Element (ASP.NET Settings Schema)
      add Element for clientTarget (ASP.NET Settings Schema)
<add alias="alias for user agent" 
     userAgent="user agent identification"/>

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

Attributes

Attribute

Description

alias

Required attribute.

Specifies the name that is used to refer to a specific user agent.

userAgent

Required attribute.

Specifies the identification for the user agent.

Child Elements

None.

Parent Elements

Element

Description

configuration

Specifies the 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 section.

clientTarget

Adds aliases for specific user agents to an internal collection of user agent aliases.

The collection of user agent aliases indicates the target user agents that ASP.NET server controls should render content for.

Default Configuration

The following default add element is configured in the root Web.config file in the .NET Framework version 2.0.

<add alias="ie5" userAgent="Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0" />
<add alias="ie4" userAgent="Mozilla/4.0 (compatible; MSIE 4.0; Windows NT 4.0" />
<add alias="uplevel" userAgent="Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.1)" />
<add alias="downlevel" userAgent="Generic Downlevel" />

The following default add element is configured in the Machine.config file in the .NET Framework versions 1.0 and 1.1.

<add alias="ie5" userAgent="Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)"/>
<add alias="ie4" userAgent="Mozilla/4.0 (compatible; MSIE 4.0; Windows NT 4.0)"/>
<add alias="uplevel" userAgent="Mozilla/4.0 (compatible; MSIE 4.0; Windows NT 4.0)"/>
<add alias="downlevel" userAgent="Unknown"/>

The following code example demonstrates how to add four user agent aliases to the internal user agent alias collection.

<configuration>
   <system.web>
      <clientTarget>
         <add alias="ie5" userAgent="Mozilla/4.0 (compatible; 
                     MSIE 5.5; Windows NT 4.0)"/>
         <add alias="ie4" userAgent="Mozilla/4.0 (compatible; 
                     MSIE 4.0; Windows NT 4.0)"/>
         <add alias="uplevel" userAgent="Mozilla/4.0 (compatible; 
                     MSIE 4.0; Windows NT 4.0)"/>
         <add alias="downlevel" userAgent="Unknown"/>
      </clientTarget>
   </system.web>
</configuration>

Configuration section handler

System.Web.Configuration.ClientTargetSection

Configuration member

Add

Configurable locations

Machine.config

Root-level Web.config

Application-level Web.config

Virtual or physical directory–level Web.config

Requirements

Microsoft Internet Information Services (IIS) version 5.0, 5.1, or 6.0

The .NET Framework version 1.0, 1.1, or 2.0

Microsoft Visual Studio 2003 or Visual Studio 2005

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