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

UpdateLastLoginActivityDate", SqlDbType.Bit, updateLastLoginActivityDate ) );
                    cmd.Parameters.Add( CreateInputParam( "@MaxInvalidPasswordAttempts", SqlDbType.Int, MaxInvalidPasswordAttempts ) );
                    cmd.Parameters.Add( CreateInputParam( "@PasswordAttemptWindow", SqlDbType.Int, PasswordAttemptWindow ) );
                    cmd.Parameters.Add( CreateInputParam( "@CurrentTimeUtc", SqlDbType.DateTime, dtNow));
                    cmd.Parameters.Add( CreateInputParam( "@LastLoginDate", SqlDbType.DateTime, isPasswordCorrect ? dtNow : lastLoginDate));
                    cmd.Parameters.Add( CreateInputParam( "@LastActivityDate", SqlDbType.DateTime, isPasswordCorrect ? dtNow : lastActivityDate));
                    SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
                    p.Direction = ParameterDirection.ReturnValue;
                    cmd.Parameters.Add(p);

                    cmd.ExecuteNonQuery();

                    status = ( ( p.Value != null ) ? ( ( int )p.Value ) : -1 );
                }
                finally
                {
                    if( holder != null )
                    {
                        holder.Close();
                        holder = null;
                    }