clear Element for expressionBuilders for compilation (ASP.NET Settings Schema)

Removes all references to inherited expression builders, allowing only the expression builders that are added by the current add element.

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

<clear/>

Attributes and Elements

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

Attributes

None.

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 section.
compilation	Configures all compilation settings that ASP.NET uses to compile applications.
expressionBuilders	Defines a collection of resource strings to use during compilation. The resource strings associate prefixes with expression builders. This element is new in the .NET Framework version 2.0.

Remarks

The clear element removes all references to inherited expression builders that are contained in the expressionBuilders element, allowing only the expression builders that are added by the current add element.

The expressionBuilders element defines a collection of resource strings to use during compilation. The resource strings associate prefixes with expression builders. For more information, see ExpressionBuilder.

Default Configuration

The following default expressionBuilders element is not explicitly configured in the Machine.config file or in the root Web.config file. However, it is the default configuration that is returned by the application. Items are added to the expressionBuilders collection in the root Web.config file.

<expressionBuilders>
   <clear />
</expressionBuilders>

Example

The following code example demonstrates how to remove all expression builder references from the configuration for the current application.

<configuration>
   <compilation>
      <expressionBuilders>
         <clear/>
      </expressionBuilders>
   </compilation>
</configuration>

Element Information

Configuration section handler	CompilationSection
Configuration member	Clear
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 2.0 Microsoft Visual Studio 2003 or Visual Studio 2005

See Also

Tasks

How to: Configure Specific Directories Using Location Settings
How to: Lock ASP.NET Configuration Settings

Reference

assemblies Element for compilation (ASP.NET Settings Schema)
add Element for expressionBuilders for compilation (ASP.NET Settings Schema)
remove Element for expressionBuilders for compilation (ASP.NET Settings Schema)
configuration Element (General Settings Schema)
system.web Element (ASP.NET Settings Schema)
compilation Element (ASP.NET Settings Schema)
System.Configuration
System.Web.Configuration
CompilationSection
Clear

Concepts

ASP.NET Compilation Model
ASP.NET Web Page Code Model
ASP.NET Web Site Precompilation Overview
ASP.NET Configuration File Hierarchy and Inheritance
Securing ASP.NET Configuration
ASP.NET Configuration Scenarios

Other Resources

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