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

                    reader = cmd.ExecuteReader( CommandBehavior.SingleRow );

                    string password = null;

                    status = -1;

                    if ( reader.Read() )
                    {
                        password = reader.GetString( 0 );
                        passwordFormat = reader.GetInt32( 1 );
                    }
                    else
                    {
                        password = null;
                        passwordFormat = 0;
                    }

                    return password;
                }
                finally
                {
                    if( reader != null )
                    {
                        reader.Close();
                        reader = n