KCallback.net



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What is KCallback.net Control?

KCallback.net Control, the most powerful, robust, callback control available in the market today for ASP.NET with AJAX support. Written in 100% managed C# code, KCallback.net provide callback functionality in your web applications. The KCallback.net control allows developers to AJAX-enable any ASP.NET application with writing a few lines of code. It allows to update page content without postback and loss of scroll position!


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Features

Save View State

New functionality allow you to save view state of controls of your web application during each callback. You can now work with View state during callback same as working with View State during post backs.

AJAX
AJAX (Asynchronous JavaScript And XML) enable your web applications to increase interactivity, speed and usability.

ASP.NET Standard controls & 3rd Party controls
KCallback.net can AJAX enable standard ASP.NET controls and 3rd party controls.

Save State
You can save the state of all the form controls during callback request by setting the SaveState property to true.

Callback Result
Return callback result to a client-side function instead of rendering.

Callback Error
Return callback error to a client-side function for exception handling.

Override Output
Override the callback contents both on the server-side and client-side.

Loading Display
Display an HTML block while processing the callback request.

Disable Controls During Callback
KCallback.net can automatically disable selected controls during callback

Enable Caching
Cache callback arguments and results on the client-side to improve performance.

MultiArgument
You can pass multiple arguments into the Callback event handler and process them on the server-side.

Auto Callback
Initiate callbacks automatically at specified intervals in milliseconds.

User Control
You can insert the KCallback.net control into a user control. So that you are able to run two instances of the same user control on the same page.

Client-Side API
KCallback.net support client side function to handle the result and error for the callback response from the server.

Server-Side API
Process callback request in the Callback event handler.

Before and After execute client side event handler
This allows you to alter/cancel the callback before and after execute client side event.

XHTML Compliance
XHTML 1.0 Transitional compliant.




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Benefits
In the core of the control KCallback.net can make selected controls on the page perform AJAX callbacks instead of traditional postbacks. The whole AJAX behavior of the page is controlled through a single control, called KCallback.net control.

KCallback.net control uses AJAX (Asynchronous JavaScript and XML) technology to communicate with server side function to update portion of the client-side page without reloading the whole page. With KCallback.net control, complex content can be updated from server "in live" and end user has a smooth browsing experience. It is extremely useful when heavy server-side processing is needed, e.g, accessing a database, contacting a web service. In addition, nothing is used except common DHTML/remote scripting techniques. There is no use of Flash, Java, or other plug-in technology.

The following list outlines the benefits of KCallback.net control.

A feature rich, easy to use component pack consisting of native .NET classes designed to: manage PDF documents, provide ZIP/UN-ZIP utilities, protect files from unauthorized access on a webserver (httpHandler), provide a universal database wrapper around the most popular .NET providers, report errors within an ASP.NET application, facilitate file downloads from a web server to a client web browser and more

BrowserObject™ is a .NET/PHP component detecting Web Browser capabilities such as supported technologies and version that is running on the clients. It provides detailed information such as Web Browser name, version, JavaScript, Plug-ins, screen resolution, IP address, cookies, language, client time and more in real-time to the Web server.

HTTP client component for communicating with HTTP servers.

Send GET, POST, or HEAD requests to an HTTP server.
Supports SSL.
Can save cookies to a persistant XML-based file store.
Can automatically add cookies from a persistent file store to HTTP requests.
Sophisticated caching capabilities.
Cache can extend across multiple hard drives.
Supports Basic HTTP authentication (login/password).
Supports HTTP proxies.
Supports two caching algorithms: LMFactor and constant-freshness.
Can automatically follow redirects.
Provides read and connect timeout properties.
Allows for custom HTTP request headers to be added to any request.
Handles international (non-English) web pages including Asian and Middle Eastern languages.
Automatically manages a pool of connections with HTTP servers.
Can mimic FireFox or Internet Explorer.
Provides access to all HTTP response header fields.
Supports XMLHTTP.
Supports multipart/form-data for easy uploads to HTTP server.

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