asp.net profiles - ProfileCommon - where is it? -

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i've added web config:

  <profile enabled="true" >    <properties >      <add name="gender" type="string"/>     <add name="age" type="int32"/>   </properties>    <providers>     <clear/>     <add name="aspnetsqlprofileprovider" type="system.web.profile.sqlprofileprovider" connectionstringname="applicationservices" applicationname="/"/>   </providers> </profile>

though, if try use profilecommon class, doesn't find it. shouldn't have been generated when uilt project?

using system.web.profile;

did import namespace?


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