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

nbsp;         if( holder != null )
                    {
                        holder.Close();
                        holder = null;
                    }
                }
            }
            catch
            {
                throw;
            }
        }

        //////////////////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////////////////

        public override MembershipUser GetUser(string username, bool userIsOnline)
        {
            SecUtility.CheckParameter(
                            ref username,
                            true,
                            false,
                            true,
                            256,
                            "username" );

            SqlDataReader        reader = null;

            try {
        &nbs