I am now doing my project. I am doing the chief part. The chief's jsp page will display the menu table include column(itemID,name,quantity). The chief is able to view the jsp page which will refresh whenever there is any updated column, quantity from the database(done by another member which will insert the quantity when people want any order)
Finally once the chief have finish cooking, the chief will click on the minus button to minus off the quantity from the database column.
Therefore i need help for the coding on
1) refresh jsp page whenever there is any updated quantity in the column from the database.
2) minus button use to minus no. of quantity from the database