Asp net validating date field


16-Dec-2019 01:54

MVC generates the Client-side validation prevents submission until the form is valid.

The Submit button runs Java Script that either submits the form or displays error messages.

Validation attributes are a way to configure model validation so it’s similar conceptually to validation on fields in database tables.You can configure this number by inserting the following code into the Model validation occurs prior to each controller action being invoked, and it is the action method’s responsibility to inspect Model State. In many cases, the appropriate reaction is to return some kind of error response, ideally detailing the reason why model validation failed.Some apps will choose to follow a standard convention for dealing with model validation errors, in which case a filter may be an appropriate place to implement such a policy.This includes constraints such as assigning data types or required fields.

Other types of validation include applying patterns to data to enforce business rules, such as a credit card, phone number, or email address.Just inherit from the attribute checks the genre first, and if it is a classic, then it checks the release date to see that it is later than 1960. The attribute accepts an integer parameter representing the year that you can use to validate data.



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