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how to get gridview textbox value in zavascript

Hello Everyone,

My application is touch srceen aplication( in ASP.NET with C#). i have done here is that ,i m adding products in shopping cart with dafault product quantity one.here i have to do that if customer want to update quantity he/she click on up button beside quantity textbox.here up button is html button and when it was clicked textbox quantity increased by one.

e.g if 1 in textbox then it becmos 2.

on up buttonclick i want to call javascript function that update textbox value.
i want to do this because i don't want to postback the page.

for this i want tyo accsess text box value for increas it.

if any one have solution for it please help me to do it.

Thanks in advance.
Feb 2 '08 #1
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