Quick question / How to validate checked checkboxlist loaded from database ?

See more:

ASP.NET

Hello There

I've got 5 checkboxlists as below ,and each checkboxlist consisted 15 checboxes

i want to know how can we know the checkboxlists are checked or not ,

my database is like this

Id : int

rowd :nvarchar(250)

rowe:nvarchar(250)

rowf:nvarchar(250)

rowg:nvarchar(250)

rowh:nvarchar(250)

i was trying to save the checkboxlists state into session , but it is not useful cos each time when i click a check box , it will

save all the existing checked checkboxlists to my database .
http://i69.photobucket.com/albums/i76/tothanhtuan/checkboxes_zps70ab44c6.jpg[^]
So can you help me out ? thanks