Displaying elapsed time with multiple asp:timer's on a page

In cases where a web page consists of multiple asp:updatepanel and multiple asp:timer controls. Each update panel getting refreshed at specific timer intervals (different timings), instead of display stale data before the refresh its good to display the user with elapsed time for an update panel. This gives users feel of live data and user knows exactly when an update panel will be refreshed.

Sample display of how the page looks



Here is the code below :-
TimerWidget

code-behind

contd...