How can I add a timer in the listview that minuses 1 second at a time when the button starts click and stops when the stop button is clicked? Then save the remaining time in the database. Please help me in my school project. Thanks in advance.
I prof. says that he want to view in the list box is like this 10:00 to 9:59 to 9:58 etc.
there is a default 10:00 in the listview.
Here is the sample screenshot