I want to sum the values of 5 textboxes and get the total in 6th textbox. I have made the Autopostback property of 5 textboxes to true and i was able to get the result also.But the problem is that ,if i enter a value in a textbox and later if i need to change that value to some other value ,the value in the total textbox displayed includes the new value also without subtracting the old value of the changed textbox.
ie T1=1 : T2=2: T3=3 : T4=4: T5=5 Therefore T6=15
But if i change the value of T3 to 5 later ,T6 will be 15+5=20 instead of (15-3+5)
please help and thanks in advance
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