Silverlight client runtime does not allow synchronous operations and requires network-based operations to be asynchronous. While asynchronous and event-based programming models have been a part of the .NET Framework since the earliest versions, orchestrating sequential and parallel asynchronous workflows can be problematic.
In the example above, we only used three validation methods (
url). There are several other methods that can be used here. Here are a few of them:
remote: requests a resource to check the element for validity.
min: makes the element require a given minimum.
date: makes the element require a date.
creditcard: makes the element require a credit card number.
equalTo: requires the element to be the same as another one.
You can find an exhaustive list of built-in validation methods at http://docs.jquery.com/Plugins/Validation#List_of_built-in_Validation_methods.
But I can’t find a suitable built-in method for my situation. Can I write my own method?” Yes you can! And its really easy.
Writing Your Own Validation Method
jQuery.validator.addMethod() method. It takes three parameters:
method: the actual method implementation, returning true if an element is valid.
message: The default message to display for this method.
In the validate function, we specify that the ‘sport’ field should be validated using the
Make sure to look at the source code behind these demos
Via Form Validation using jQuery
Another tutorial here
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