Condividi tramite


clear Element for properties for profile (ASP.NET Settings Schema)

Clears all previously defined properties and groups from the user profile.

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.

profile

Configures the user profile for an application.

properties

Optional element.

Defines a collection of user profile properties and property groups.

Remarks

For information about accessing and modifying configuration values for the profile element in application code, see ProfileSection.

Example

The following code example demonstrates how to use the <clear> element to clear any existing profile property definitions before adding new profile properties.

<configuration>
   <connectionStrings>
       <add name="SqlServices" connectionString="Data Source=localhost;Integrated Security=SSPI;Initial 
            Catalog=aspnetdb;" />
   </connectionStrings>

  <system.web>
   <anonymousIdentification enabled="true" />

   <profile defaultProvider="SqlProvider" >
     <providers>
       <add
         name="SqlProvider"
         connectionStringName="SqlServices"
         applicationName="HttpProfileBaseApplication"
         type="System.Web.Profile.SqlProfileProvider" />
     </providers>

     <properties>
       <clear />
       <add name="ZipCode" allowAnonymous="true" />
       <add name="RecentSearchList"
            type="System.Collections.Specialized.StringCollection"
            serializeAs="Xml"
            allowAnonymous="true" />
      </properties>
    </profile>
   </system.web>
</configuration>

Element Information

Configuration Section Handler

System.Web.Configuration.ProfileSection

Configuration member

System.Web.Configuration.SystemWebSectionGroup.Profile

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

See Also

Tasks

How to: Lock ASP.NET Configuration Settings

Reference

properties Element for profile (ASP.NET Settings Schema)
profile Element (ASP.NET Settings Schema)
system.web Element (ASP.NET Settings Schema)
<configuration> Element
add Element for properties for profile (ASP.NET Settings Schema)
group Element for properties for profile (ASP.NET Settings Schema)
remove Element for properties for profile (ASP.NET Settings Schema)
ProfileSection
System.Configuration
System.Web.Configuration

Concepts

ASP.NET Configuration Overview
ASP.NET Web Server Controls and Browser Capabilities
Securing ASP.NET Configuration
ASP.NET Configuration Scenarios

Other Resources

ASP.NET Profile Properties
ASP.NET Configuration Files
ASP.NET Configuration Settings
General Configuration Settings (ASP.NET)
ASP.NET Configuration API