Question

hi all as i know that asp.net provide server side validation control which has there own built-in logic, so i want to ask here can we extend built-in logic, i means suppose we use compare validator for comparing two file at this point it will validate according to there built-in logic, but i want to add some code for compare validator, is this possible.

According to my knowledge in asp.net every control treated as class which has data and code so according to inheritance or extend can we add some code in validation control ?

Answer 1

It looks like you need to use
CustomValidator

You can use a custom function to define when your control passes your validation. In this case could be something like this.

void ServerValidation (object source, ServerValidateEventArgs args)
{
    args.IsValid = //Define your validation here
}