自定义asp.net2.0权限提供程序SqlMembershipProvider

.UniqueIdentifier, providerUserKey ) );
                    cmd.Parameters.Add(CreateInputParam("@UpdateLastActivity", SqlDbType.Bit, userIsOnline));
                    cmd.Parameters.Add(CreateInputParam("@CurrentTimeUtc", SqlDbType.DateTime, DateTime.UtcNow));
                    SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
                    p.Direction = ParameterDirection.ReturnValue;
                    cmd.Parameters.Add(p);

                    reader = cmd.ExecuteReader();
                    if ( reader.Read() )
                    {
                        string email = GetNullableString(reader, 0);
                        string passwordQuestion = GetNullableString( reader, 1 );
                        string comment = GetNullableString(reader, 2);
                        bool isApproved = reader.GetBoolean(3);
                        DateTime dtCreate = reader.GetDateTime(4).ToLocalTime();
                        DateTime dtLastLogin = reader.GetDateTime(5).ToLocalTime();
                        DateTime dtLastActivity = reader.GetDateTime(6).ToLocalTime();
                        DateTime dtLastPassChange = reader.GetDateTime(7).ToLocalTime();