How To Make Anthem Ajax Work With Url ReWriting

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Introduction

Anthem Ajax is one of the best ajax library available around
to write Ajax without writing JavaScript in Asp.Net.
But attempting to combine it with Extensionless Url ReWriting
is quite a challenge.

You can download Anthem Ajax from here.
You can read more about the Url ReWriting Tool used from here.
The Form control used is an extension of this article.

Background

In the current web development scenario,
the two most desirable goodies are:
(1) Ajax: giving no postbacks, and
(2) UrlReWriting: Giving SEO Friendly, Beautiful Urls.
But it has been quite difficult to use both of them together.

The Ajax breaks down whenever there is
url of the form: http://foo.com/id/151.
To overcome this problem I tackled it with
a strategy to provide different views of the same
Url to the html form and to the Ajax FrameWork.

The Solution

Towards uniting Anthem Ajax with Smooth Urls,
my strategy was to provide different views of the same
Url to the html form and to the Ajax FrameWork.
I wanted the action attribute of the form
to have the Original RawUrl as its value.
While I wanted the Anthem Ajax framework to have
the ReWritten Simple Url as its value.

I created a new Form Class By Inheriting it from HtmlForm Class.
Then I Write original URL (URL without ReWriting)
in the name attribute of the form.
And In the action Attribute, the Raw Url
(Beautiful Url, As It Appears in the Address Bar).

Then, I made one change in the
anthem.js file of the Anthem Download.
I made the function Anthem_GetCallBackUrl return url
from form.name instead of form.action.

This solves the two problems:
(1) The Action attribute of the form will have
the Original beautiful Extensionless Url (Raw Url).

This will help to preserve the beautiful
Extensionless Url even after page PostBacks
( like those are caused by button clicks ).

(2) While the Name Attribute will have the ReWritten Real Url.
This will be supplied to the Anthem Framework,
making it to believe that it is working with Out any Url ReWriting :-)

Using the code

To See a LIVE DEMO, Simply run the Attached
Sample Web Site.

To Do URL ReWriting In A Project:

(1) Just include the DLLs in the Folder: ReWriting DLLs
(2) Use the Anthem Library ( the dll in the above folder )
Contained With This Project.
(3) And make your Web.Config As Shown
In the Attached Web.Config File.
(4) Instead of using the form tags in
the .aspx files, use the inherited form's tags.

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