ASP.net自定义成员资格用户MembershipUser类

    cmd.Parameters.Add("@PKID", OdbcType.UniqueIdentifier).Value = providerUserKey;
    cmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username;
    cmd.Parameters.Add("@Password", OdbcType.VarChar, 255).Value = EncodePassword(password);
    cmd.Parameters.Add("@Email", OdbcType.VarChar, 128).Value = email;
    cmd.Parameters.Add("@PasswordQuestion", OdbcType.VarChar, 255).Value = passwordQuestion;
    cmd.Parameters.Add("@PasswordAnswer", OdbcType.VarChar, 255).Value = EncodePassword(passwordAnswer);
    cmd.Parameters.Add("@IsApproved", OdbcType.Bit).Value = isApproved;
    cmd.Parameters.Add("@Comment", OdbcType.VarChar, 255).Value = "";
    cmd.Parameters.Add("@CreationDate", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@LastPasswordChangedDate", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@LastActivityDate", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = pApplicationName;
    cmd.Parameters.Add("@IsLockedOut", OdbcType.Bit).Value = false;
    cmd.Parameters.Add("@LastLockedOutDate", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@FailedPasswordAttemptCount", OdbcType.Int).Value = 0;
    cmd.Parameters.Add("@FailedPasswordAttemptWindowStart", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@FailedPasswordAnswerAttemptCount", OdbcType.Int).Value = 0;
    cmd.Parameters.Add("@FailedPasswordAnswerAttemptWindowStart", OdbcType.DateTime).Value = createDate;
    cmd.Parameters.Add("@IsSubscriber", OdbcType.Bit).Value = isSubscriber;
    cmd.Parameters.Add("@CustomerID", OdbcType.VarChar, 128).Value = customerID;

    try
    {
      conn.Open();

      int recAdded = cmd.ExecuteNonQuery();

      if (recAdded > 0)
      {
        status = MembershipCreateStatus.Success;
      }
      else
      {
        status = MembershipCreateStatus.UserRejected;
      }
    }
    catch (OdbcException e)
    {
      if (WriteExceptionsToEventLog)
      {
        WriteToEventLog(e, "CreateUser");
      }

      status = MembershipCreateStatus.ProviderError;
    }
    finally