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Datagrid clear up when I click the button

2
I have a checkboxlist, two buttons and a datagrid.
during page_load event, i load items of checkboxlist and datagrid from database.

button 1 is used to check all items in checkboxlist and button 2 is used to uncheck it.

my problem now is whenever I click either of the two buttons, the datagrid will be empty.

I am still new in ASP.NET programming and I hope someone can help me with my problem.

thanks a lot.
Jul 6 '06 #1
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