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want help regarding values in textfields

 
aayushpatel
Greenhorn
Posts: 10
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I m giving by example which i want to solve..suppose i have two textfields and one label..as i m entering value in first textfield then that value had been showed in label..if i m entering value in 2nd textfield then label will give me sum of that two values that is value in textfield1 and value in textfield2..now if i m entering value in third then it will give me sum of three values in label...i had tried but not getting satisfactory result and exception too.so plz help me in this regards...
 
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