Here is the first line of my form telling it to validate my function on submit...
I'm using Java Script to validate my form in html but it doesn't seem to be working. A general approach is to define a constraint checking function per property (preferably in the model class in a Java Script-based MVC app, like is empty, everything is fine.
Lisa Wollin Microsoft Corporation May 2004 Applies to: Microsoft® Office Front Page® 2003 Microsoft Front Page 2002 Microsoft Front Page 2000 Summary: Learn how validate HTML form fields using Java Script in Microsoft Office Front Page 2003.
This article assumes a general understanding of HTML and Java Script.
Each field in the form can have zero one or more validations. More info & downloads where Do My Validation One() and Do My Validation Two() are custom functions for validation.
For example, you can have an input field that should not be empty, should be less than 25 chars and should be alpha-numeric. In some dynamically programmed pages, it may be required to change the validations in the form at run time.
Because the code is stored on the server, server-side validation requires a roundtrip to the server.
Most often, the purpose of data validation is to ensure correct user input.
Validation can be defined by many different methods, and deployed in many different ways.
The script has a catalog of almost all the common validation types built-in.