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in my web page
state combobox1-----autopostback=true
District combobox2-----autopostback=true
city combobox3

whenever we select state it will take some time(2s or 3s) to load or open because of autopostback


finally myproblem is

how to use update panel on combobox1 and combobox2


thankx
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King Fisher 4-Mar-15 23:33pm    
What have you tried ? Show your Code?

1 solution

place your combo boxes inside update panel.
refer : Implement AJAX CascadingDropdown without Web Service in ASP.Net[^]
 
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