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Instead the Enter and Leave events should be used for all controls except the Form class, which uses the Activated and Deactivate events.

Super Validator can work with any of these components set or without any of them at all if you are planning to report validation results some other way.

In previous example you’ve seen required field validator.

The following code example uses the derived class Text Box and validates an e-mail address that the user enters.You can read more about regular expressions in MSDN starting at following URL: Regular Expression Validator is assigned to input field it looks like this in property grid: Super Validator component includes Comparison Validation that allows you to compare values of two input fields or to compare input field value to a predefined value you set.You can use this for example to ensure that password entered matches the confirmation password on input form or to ensure that numeric input value is greater than number you specify.Also day should be less than 31, Month should be less than 12 and Year not greater than 2012 . We can prevent user from typing invalid data or we can also check the data after user submitting.Here I'll introduce you the second approach because the first requires more code to do, it may prevent user from typing invalid data but it also has to prevent user from pasting invalid data. For the second approach you can add code to a You make your life easier if you use the datatimepicker but if you still feel you want to present a textbox and help the user to prevent entering an illegal date this sample code will get you going.

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