ASP.net自定义成员资格用户MembershipUser类

_
                                          username, _
                                          providerUserKey, _
                                          email, _
                                          passwordQuestion, _
                                          comment, _
                                          isApproved, _
                                          isLockedOut, _
                                          creationDate, _
                                          lastLoginDate, _
                                          lastActivityDate, _
                                          lastPasswordChangedDate, _
                  &nbs