The singleton design pattern is a way of enforcing only one instance of an object. This is achieved by making 3 fairly simple steps to a class. Firstly making the constructor private, creating a static member variable that will contain the instance and then creating a static method for accessing the instance.

The Perl Regex Tutor shows you what a pattern will match against a string you provide. Start by entering a regex and some input in the boxes below and clicking the run button.

ajax im ("asynchronous javascript and xml instant messenger") is a browser-based instant messaging client. It uses the XMLHTTPRequest object in JavaScript to send and receive commands to and from the server. No refreshing of the page is ever needed for this "web application" to work, as everything is updated in real-time via JavaScript.

eFreeForum is a free service that provides phpBB3 online communities. While similar to a Chat Room or an Instant Messenger, eFreeForum can be used for long term discussions with a large group of people. You can post a message for others to see even if they are not online at the moment. eFreeForum can be used for friends, clubs, and businesses. eFreeForum could be used to talk about your favorite sport or even a general chat area where people can talk about whatever they want. Not only does eFreeForum provide the best possible environment for online communities, but it is also easy to set up and manage.

Learn how to create cool and practical text effect using the mask. You don't have to use action script code to make this tutorial. This tuts is very easy for create - just follow a few following steps.

This Tutorial is to show you two things:

1. How to simulate the gravity a large body(such as a planet) has on a small body(such as a rock)

2. How to accurately detect collisions between circles(and no, we do not use hitTest)

This free Flash CS3 tutorial is for beginners who want to learn how to make a simple website in Flash.

Setting up Web forms on your site allows site users to share information with you. Form Maker is a tool that creates single-page or multi-page forms for capturing data submitted by site users. Unlike a mailing form which is limited to emailing data to you, Form Maker stores the data in messaging format and generates replies via autoresponders. Site users are able to attach files and receive personalized messages in the format you specify.

Become a member of free galleries and host your images for free, create your own open or private gallerys. Let others view, rate and share your images. host files for use on forums, blogs, myspace, facebook, ebay auctions and more!

ursPro Professional is the ultimate real-estate solution, with over three years in development, the ursPro products you see today are the best available globally.


When designing ursPro we listened to our clients, we looked at what the competition was doing, we took all the best features and then designed the ultimate real-estate solution.

It is time to create your own online tests on the site. Zoki Test is a tiny but powerful system, it help you to diversify your site content.

Shopcart 3 script is a fully functional, feature rich, popular and high in demand digital items delivery shopping cart script. The script has many advanced options that allows you to set up your online store web site exactly the way you want! Shopcart 3 script supports 4 payment gateways: Paypal, Alertpay, SFIPay and SafePAY. Note that this is not automated shopping cart script! You as a webmaster will send download link to your customer manually after you verify payment! Script comes with many options that can increase your earnings and have integrated banner rotator on every page thruout the script. Script also comes with intuitive and clean admin area that will make maintenance smooth and fast! Entire script is covered with css file which makes changing colors and tables and fonts really easy! Many protection features are implemented to prevent thieves to snoop around! Every download link you generate thru admin area have unique combination of 9 digits/characters username and 9 digits/characters password!

QuarX Suite for .NET includes advanced products with over 150 features each, such as the award-winning Grid Component, best-selling ASP.NET ComboBox and more. The ultimate suite for creating unique and powerful data presentation applications with spectacular data visualization capabilities. It features the most advanced Charting, Diagramming and User Interface components for .NET

This lesson will show You how to create very practical text animation using some special flash tips and tricks.You don't have to use action script code to make this lesson. You can apply this animation for any text banner, text presentation...

dhGuestbook is a free and easy to use guestbook for your website, which has been programmed in PHP and uses MySQL to store the data.

Front-end:
- Two languages: German / English
- Extra information about Plural forms
- Extra keys for special German characters.
- Weekly statistics using a cronjob. Admin receives an info email.

Learn how to create appearance picture animation using the shape transformation and mask. This is so attractive animation, and you can use it for flash banner, presentation.... To create this tutorial, you don't have to use action script code.

Most of basic functions are realized in our Job Listing Script Product. We only take client's wishes, and add them to this script. In this case we guarantee fixed price (which is equivalent of 1 working week). As a bonus we will install the product for testing on client's hosting for free

This script counts the number of hits on a site page. The scripts uses PHP and a MySQL database. This script is very easy to install and comes with all installations instructions. This script counts the number of hits on a site page. The scripts uses PHP and a MySQL database. This script is very easy to install and comes with all installations instructions. .

S21 Ping Site - is a blog ping script that pings or notifies Weblog Services such as Blog Search Engines and blog directories that your blog has been updated. This help to index your blog fast and make your content available for a larger audience. Users love ping services site , visitors return every time to ping your sites !

Imagine creating rich web applications that don't flash when posting data to the server...shopping carts that dynamically confirm customer information, inventory, shipping costs, and discounts using server-side resources...financial applications that update rates without the usual flicker...sports applications that update scores in real time...all with simple drag and drop ASP.NET controls (no Java applets, Flash or JavaScript coding required)!

PowerWEB LiveControls for ASP.NET is a suite of 21 Web Controls that allow you to raise server-side callbacks and update form elements without reloading the entire HTML page. They are a direct replacement for many standard Microsoft controls, allowing you to manipulate client-side objects or send data to the client without disrupting the user experience with a page refresh

KCallback.net



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Download Trial Version
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KCallback.net 1.1 with New Features !! Download Now!




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.

WebMenu.NET is an easy-to-use, professional Menu control for ASP.NET. It provides an intuitive menu system which can replace any Menu in your ASP.NET application. Even non-technical users can easily author and manage Menus using this component.

Designed for both WinForm and ASP.NET applications.
100% Integrated with Visual Studio .NET.
100% Visual Studio .NET. IDE integrated Report Designer.
Powerful End-User Designer with C# / VB.NET scripting support.
Bind to data using VS.NET Data components or any 3rd-party business objects.
PrintViewer for WinForm & WebViewer for ASP.NET applications.
Advance capabilities to view and manage report generation.
Export reports to PDF, HTML, BMP, JPG, GIF, EMF.
100% C# Managed Assemblies & doesn't require any third-party DLLs.
Easy to use and deploy - Leverage your current knowledge of VS.NET
FREE Upgrade for 1 year.
You can also purchase 100% Source code.
Distribution of Data-Reports.NET component is Royalty Free.

Neodynamic Barcode Professional for Microsoft SQL Server Reporting Services is a .NET Component which allows you to deliver barcode images into your Reporting Services reports. Barcode Professional can generate the most popular Linear and 2D Barcode Symbologies and it can be used with SQL Server Reporting Services 2000 and 2005 as well as with Visual Studio Local Reports (RDLC