ASP.NET - javascript to find textbox value from grid and calculate value

Asked By mani on 04-Jul-12 03:40 AM
hi..i have grid like below and have textbox with default value as 1 in quantity column,,
and when i change quantity value in certain textbox and have to calulate as (qunatity*amount) and update in amount colume in same row using javascript..any help?

product   quntity    amount
  value     textbox      value