what is a required field validation control?
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Answer / dsr
first drag the requiredfieldvalidator from validator
(Toolbax). after that ,we can goto properties and change
the properties of requiredfieldvalidator.
1.Id
2.controltovalidate:nametextbox
3.errormessage:Required Field
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Answer / subru
This is used for validating the user entered values are
correct, for eg you can use this for checking a user enterd
email address. it won't allow any other type of string
enter there. This required field validation control has
reduced the usage of regular expression, but it is worth to
use regular expression to validate ,because you can decide
how the validation should be and it will be a client side
action. but a regular field validator's code will be
working in server side after posting the page.
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