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Warning: Undefined variable $no in D:\homepage\htdocs\sejinpaper\order\order_update.html on line 24

Fatal error: Uncaught Error: Call to undefined function mysql_query() in D:\homepage\htdocs\sejinpaper\order\order_update.html:25 Stack trace: #0 {main} thrown in D:\homepage\htdocs\sejinpaper\order\order_update.html on line 25