Web Services aren't a new concept. They allow distributed applications to share business logic over a network. The classic Web Service example scenario is a stock quote service: one company provides a service that can accept requests for stock symbols and responds with stock quote details. A company building an investment site can then use the application logic provided by the stock quote company to retrieve stock quote details.

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Date Added: Oct 10, 2006 Hits: 1 Rating: 0.00 Votes: 0

In this tutorial we will learn what are the two common ways of displaying data from an SQL Server database using ADO.NET in an ASP.NET page. Following are the topics covered in this tutorial :

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Date Added: Oct 10, 2006 Hits: 2 Rating: 0.00 Votes: 0

The task of sending e-mails has become much easier in ASP.NET. In previous versions of ASP we either used a third party component or the limited functionality of CDONTS component for sending emails. The .NET framework provides simpler but powerful class libraries for sending emails. These classes are in the System.Web.Mail Namespace. Following table lists the classes and their use :

Class Purpose
MailAttachment To construct an email attachment.
MailMessage To construct an email message.
SmtpMail To send an email attachment using the SMTP mail service.

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Date Added: Oct 10, 2006 Hits: 4 Rating: 0.00 Votes: 0

The .net framework provides the Dataset object which is designed to handle data abstractly independent of the data source. The DataSet can handle data from variety of sources like SQL, XML etc. In this article we'll show you how to bind a data grid control to data in an XML file using the DataSet class.

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Date Added: Oct 10, 2006 Hits: 3 Rating: 0.00 Votes: 0

File uploading has always been a tedious task for the web developer community. Either we have to use a third party component or write several lines of code. With the advent of ASP.NET file uploading has become a lot easier, importantly without the need for third party components. All we have to do is to use the ASP.NET HTML File control and write a few lines of C# code.

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Date Added: Oct 10, 2006 Hits: 3 Rating: 0.00 Votes: 0

This article examines how to read information about the ASP.NET worker process. If you are after more general system-level information, be sure to read: Displaying Performance Monitor Information through an ASP.NET Web Page. In that article we look at how to read data from the Windows Performance Monitor (such as free memory, CPU utlization, ASP.NET information, IIS information, etc.) and display it through an ASP.NET Web page!

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Date Added: Oct 10, 2006 Hits: 1 Rating: 0.00 Votes: 0

Last time around we installed all the prerequisites and finally even ASP.NET. Now that that's done, you can start writing ASP.NET pages of your very own. This time around, we walk you through your first one.

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Date Added: Oct 10, 2006 Hits: 0 Rating: 0.00 Votes: 0

Microsoft surprised a lot of people with the release of their initial white paper on HailStorm. It contained the frank proposal that HailStorm services would be completely accessible from any platform, and not just Windows. As the white paper put it:

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Date Added: Oct 10, 2006 Hits: 1 Rating: 0.00 Votes: 0

When a page request is sent to the Web server, whether through a submission or location change, the page is run through a series of events during its creation and disposal. When we try to build ASP.NET pages and this execution cycle is not taken into account, we can cause a lot of headaches for ourselves. However, when used and manipulated correctly, a page's execution cycle can be an effective and powerful tool. Many developers are realizing that understanding what happens and when it happens is crucial to effectively writing ASP.NET pages or user controls. So let's examine in detail the ten events of an ASP.NET page, from creation to disposal. We will also see how to tap into these events to implant our own custom code

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Date Added: Oct 10, 2006 Hits: 3 Rating: 0.00 Votes: 0

To wait or not to wait; that is the question! Whether or not to implement asynchronous processing is one of the fundamental issues that a developer must answer when invoking function calls across process boundaries. Given that the option to invoke an asynchronous call is available, the programmer has to weigh the relative ease of coding synchronous calls with its inherent drawback - when a synchronous call is made, the calling thread is blocked and has to wait until the function completes. In many instances, this is an acceptable shortcoming, as in the case when a program's logic flow should not continue until data is retrieved from a database. Asynchronous processing, on the other hand, allows more parallelism. A thread that initiates an asynchronous call is not blocked and can therefore do almost any computation while the method is in transit. The case for asynchronous processing becomes very compelling in the enterprise computing space where systems need to handle hundreds of thousands of function call requests and synchronicity may become a barrier to scalability.

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Date Added: Oct 10, 2006 Hits: 3 Rating: 0.00 Votes: 0