Если вы установите для атрибута requireQuestionAndAnswer значение true в поставщике членства SQL, DNN автоматически предоставит интерфейс и заполнит эти поля.
<membership defaultProvider="AspNetSqlMembershipProvider" userIsOnlineTimeWindow="15">
<providers>
<clear />
<!-- Configuration for AspNetSqlMembershipProvider:
connectionStringName="string" Name corresponding to the entry in <connectionStrings> section where the connection string for the provider is specified
maxInvalidPasswordAttempts="int" The number of failed password attempts, or failed password answer attempts that are allowed before locking out a user?s account
passwordAttemptWindow="int" The time window, in minutes, during which failed password attempts and failed password answer attempts are tracked
enablePasswordRetrieval="[true|false]" Should the provider support password retrievals
enablePasswordReset="[true|false]" Should the provider support password resets
requiresQuestionAndAnswer="[true|false]" Should the provider require Q & A
minRequiredPasswordLength="int" The minimum password length
minRequiredNonalphanumericCharacters="int" The minimum number of non-alphanumeric characters
applicationName="string" Optional string to identity the application: defaults to Application Metabase path
requiresUniqueEmail="[true|false]" Should the provider require a unique email to be specified
passwordFormat="[Clear|Hashed|Encrypted]" Storage format for the password: Hashed (SHA1), Clear or Encrypted (Triple-DES)
description="string" Description of what the provider does
-->
<add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="SiteSqlServer" enablePasswordRetrieval="true" enablePasswordReset="true" requiresQuestionAndAnswer="true" minRequiredPasswordLength="7" minRequiredNonalphanumericCharacters="0" requiresUniqueEmail="false" passwordFormat="Encrypted" applicationName="DotNetNuke" description="Stores and retrieves membership data from the local Microsoft SQL Server database" />
</providers>
</membership>