.net使用微軟自帶的用戶驗證和登錄授權

<configuration>

  <connectionStrings>
    <add name="DefaultConnection" connectionString="server=.;database=mydb;uid=sa;pwd=123" providerName="System.Data.SqlClient"/>
  </connectionStrings>
  <system.web>
      <profile defaultProvider="DefaultProfileProvider" >
        <providers>
          <add name="DefaultProfileProvider" type="System.Web.Providers.DefaultProfileProvider" connectionStringName="DefaultConnection" applicationName="/"/>
        </providers>
      </profile>
      <membership defaultProvider="AspNetSqlMembershipProvider">
        <providers>
          <clear/>
          <add 
                name="AspNetSqlMembershipProvider"
                type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
                connectionStringName="DefaultConnection"
                enablePasswordRetrieval="false"     
                enablePasswordReset="true" 
                requiresQuestionAndAnswer="false" 
                requiresUniqueEmail="true"
                maxInvalidPasswordAttempts="3" 
                minRequiredPasswordLength="6" 
                minRequiredNonalphanumericCharacters="0" 
                passwordAttemptWindow="10"
                applicationName="/" />
        </providers>
      </membership>
      <roleManager enabled="true" cacheRolesInCookie="true">
        <providers>
          <clear/>
          <add connectionStringName="DefaultConnection" applicationName="/" name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
        </providers>
      </roleManager>
      <compilation debug="false" targetFramework="4.0" />
    </system.web>

</configuration>