自定义membership配置

  <membership defaultProvider="SqlProvider" userIsOnlineTimeWindow="15">

    <providers>

      <clear />

      <add 

        name="SqlProvider" 

        type="System.Web.Security.SqlMembershipProvider" 

        connectionStringName="MySqlConnection"

        applicationName="MyApplication"

        enablePasswordRetrieval="false"

        enablePasswordReset="true"

        requiresQuestionAndAnswer="true"

        requiresUniqueEmail="true"

        passwordFormat="Hashed" />

    </providers>

  </membership>