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This sample code shows the basic structure of a JSP that uses the Web Logic JSP form validation tags.
A complete functioning code example is also available if you installed the examples with your Web Logic Server installation.
Implementing HTML forms can seem trivial, but it's something that can get tricky pretty fast when we want to introduce validation.
Thankfully, Angular 2 gives us some great tools to use to make working with forms really simple.
There is also an article discussing how this plugin fits the bill of the should-be validation solution. Have a look at this example: A single line of j Query to select the form and apply the validation plugin, plus a few annotations on each element to specify the validation rules.When creating a new record, the unique field is valid as long as all records of the model do not have the same value for that field.However, when updating a record, the unique field is valid as long as the rest of the records do not have the same value for the field."But doesn't j Query make it easy to write your own validation plugin?" Sure, but there are still a lot of subtleties to take care of: You need a standard library of validation methods (such as emails, URLs, credit card numbers).
You may need different ways to specify validation rules according to the server-side enviroment you are using on different projects.