Ways of validating data

Posted by / 06-May-2019 14:38

Ways of validating data

One of the most common elements of Web pages is a form in which the user can input data that is posted back to the server.

These forms are made up of different types of HTML elements that are constructed using straight HTML, HTML server controls, or Web server controls.

If, however, when the user clicks the Submit button, a scripting language that is part of the overall HTML page is initiated to check the validity of the data before it is sent to the server, this is client-side validation.

It was a lot easier to understand the difference between these forms of validation when you coded Active Server Pages 3.0 because, as the programmer, you personally performed almost all data validation.

You yourself either programmed it to be client-side or server-side.

Validating, in this case, does not mean that if John Doe types his name into the form field of a text box as Fred Doe the computer sends an alert to inform you that the data is untruthful.

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By Bill Evjen Reuters December 2003 Applies to: Microsoft® ASP. NET validation server controls that are at your disposal.

After the user enters data into a Web form, clicks the Submit button, and sends the form data to the server as a request, you can perform server-side validation on the data.

If the data is incorrect or not valid, you can send back a response stating this.

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No, we still do not have the capability to find out whether a statement is true.