Asp code validating a form
The following two mutually inclusive properties list out the error message: Complex pages have different groups of information provided in different panels.In such situation, a need might arise for performing validation separately for separate group.Now you will see the browser posting back to the server, but the result will be the same - the validator still works!Right now, the button does nothing, besides posting back if the page is valid.The validation control classes are inherited from the Base Validator class hence they inherit its properties and methods.Therefore, it would help to take a look at the properties and the methods of this base class, which are common for all the validation controls: The Regular Expression Validator allows validating the input text by matching against a pattern of a regular expression. Form("password") = Password then 'Set the validation cookie and redirect the user to the original page. Cookies("Valid User") = Validated 'Check where the users are coming from within the application.
The server side validation routine should be written in any . The summary displays the values of the Error Message property of all validation controls that failed validation.
Information sent from a form with the POST method is invisible to others and has no limits on the amount of information to send.
User input should be validated on the browser whenever possible (by client scripts).
A form with method="get" How to interact with the user, with the Request. A form with method="post" How to interact with the user, with the Request. A form with radio buttons How to interact with the user, through radio buttons, with the Request. Information sent from a form with the GET method is visible to everyone (it will be displayed in the browser's address bar) and has limits on the amount of information to send. Form command is used to collect values in a form with method="post".
Query String command is used to collect values in a form with method="get".
For that reason, it is important that you verify that the data entered from your users is, at minimum, in the correct format.