NET and walks through an example of adding validation to a page.(11 printed pages) Introduction The Problem The Objective The Solution-Overview Client Features What Is a Validator?The different types of validators are listed as follows: Write a web page to collect a new user id and password.The user id must contain 6-10 alpha characters and must not already be in use.In front of each field, we add a Required Field Validator.If the input field is blank, we want to display an asterisk (*) in front of the field and report a text error in a summary area.All you’ll experience when using Tenant Tech is a seamless system that just works.Anthony Moore Microsoft Corporation July 2000 Updated March 2002 Summary: Provides a brief overview of the validation framework in ASP.
Our objective with validation is as follows: We visited a large number of real pages to determine the sort of scenarios these components needed to be able to handle.
Validator Walk-Through It's Not Voluntary Getting Regular Comparing Apples and Apples Custom Fit The Finale Sample Code Validating user input is a common scenario in a Web-based application.
For production applications, developers often end up spending a lot more time and code on this task than we would like. NET page framework, it was important to try and make the task of validating input a lot easer than it has been in the past.
It generally appears to the user as a piece of text that displays or hides depending on whether the control it is checking is in error.
It can also be an image, or can even be invisible and still do useful work.