add Element for clientTarget (ASP.NET Settings Schema)

Article
04/30/2007

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

<add alias="alias for user agent" 
     userAgent="user agent identification"/>

Attributes and Elements

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.

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.

Remarks

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"/>

Example

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>

Element Information

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

add Element for clientTarget (ASP.NET Settings Schema)

Attributes and Elements

Attributes

Child Elements

Parent Elements

Remarks

Default Configuration

Example

Element Information

See Also

Tasks

Reference

Concepts

Other Resources

Additional resources