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i am making a purchase sheet in html ,it contain names of
product(by selecting checkboxes),quantity(textbox) and
price(checbox), by using java script i am restricting the
user to prevent them to enter the wrong data ,so i made the
servlet were i am only able to prevent them to enter the
page in empty field , so my doubt is how do you prevent them
how to enter non numerical data in quantity field
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Answer Posted / shivkumar
use isNumber() function to check whether entered data is non-
numerical ??
if it is then give an error
| Is This Answer Correct ? | 2 Yes | 1 No |
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