This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
good day everyone, Am trying to update my poduct table such that each time
item quantity is added to item total the value keeps up increasing
eg 1+1 =2, 2+3 =5 and so on, but if I try to update the table column(item_total),
the new update always replace the old value instead of increasing it and the error below will
"Notice: Undefined index: Radio in C:\test\htdocs\product.php on line 32"