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problem in refreshing JPanels  RSS feed

 
partha phukan
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Hi everyone! i need to refresh my JPanel with new data, but i could not able to do it....



Here this is the main class of my project. Above CurrentPanel, HoursPanel, DaysPanel are 3 separate classes where i displayed some JLabels and Graphs and JTables, and the corresponding values for them are taken from the database by executing some queries..... In all the classes i performed all the operations and returned the JPanels. i have used a cardlayout and added the 3 (returned) JPanels in the cardlayout panel( i.e mainPanel) All my queries are running properly everything is fine. But i don't know how to refresh the JLabel, JTable and Graphs values with time. I am maintaining a database table with time as a field. As time changes the queries must take the new time values and displayed in the correspnding places of JLabels, JTable and Graphs.....

I don't know how to use timers. i searched in google and tried to apply myself but no any success.... Please guide me. Please give me some suggestion for this. please.... thank you in advance......
 
It is sorta covered in the JavaRanch Style Guide.
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