hai friend's

i am creating one talbe it consist of pay 1,pay2,pay3 in earning colume and i want ot display this total in one lable and in other colume the Deduction's LOP and some other field's now i want to calculate this deduction , in final i subtract tis earning-deduction=Net total ... now i want to know that how to do these in textbox change event ,
ya i made one sample test for this while i enter the data and click the next textbox nothing will do , if i click enter button then only the calculation will done , now my need is while i entering data the total will display the amount by calculating all the field , if i make delet the data it reduce the total ...

>now my need is while i entering data the total will display the amount by calculating all the field ..

Use javascript. Handle onkeyup event.

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