System.Net.WebRequest Class
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Makes a request to a Uniform Resource Identifier (URI). This is an abstract class.

  • Namespace: System.Net
  • First seen in: .NET v1.0.3705
  • Last seen in: .NET v1.1.4322
  • Last changed in: .NET v1.0.3705
  • Assembly: System.dll

  • System.MarshalByRefObject
  • View this type on MSDN
  • View this type on WinFX 247
    Articles (28)Discussions (905)MembersRotorChanges
    Articles

    Page: 12
    A C# Web Spider written as a Web Service
    C#Today
    A Web Spider is a program that is used to navigate sites, follow links and collect various information. It is sometimes called a Web Robot. In this article. ST Tan & Aldy Karna discuss the subject, and show how a Web Spider can be written in C#.
    A POP3 Client and C#
    C#Today
    In this article, Levent Camlibel looks at how to create a POP3 client that recieves e-mail from a POP3 server, showing how the .NET platform allows this project to be created in a very short space of time. Over the course of the article, he looks at POP3 standards, .NET network programming, and custom POP3 objects.
    A Simple wget-clone (WebGet) Using C#
    The Code Project
    Well, I guess most of you have used or at least heard of wget which is the linux prog that lets us download files from the internet. You can simply give the following command :- wget http://colorado/files/nish1.zip and the file will be downloaded. Pretty useful huh. You won't have to worry too much about your boss finding out that you are downloading that new mp3 clip instead of finishing that last part of the design which he was supposed to do, but that which he thrust down your throat.
    Authentication of a Web Service Using Microsoft .NET Passport
    MSDN
    This article discusses the issues encountered during the development of the authentication component for the ColdStorage sample Web services
    Building a Web Service to Provide Real-Time Stock Quotes
    DotNetJunkies
    There are many benefits to using a Web Service, including the versatility of the client that consumes the Web Service and the reusability of the code. This article provides an example of a useful Web Service that provides real-time stock quotes through information scraped from public Web sites.
    Creating an ASPWire News Business Object Part 1
    DotNetJunkies
    This article is part 1 of 2. In this article I will be illustrating how to use members of the System.Net namespace to create a business object that "Gets" all news headlines that ASPWire has available, parses through the return, constructs a DataSet object that holds a DataTable of all news items, and finally returns a DataView that you can bind to. We also make use of Page Caching to limit our request for the data to 3 times per day. We cannot give all the code necessary for you to run this example on you
    Creating an ASPWire News Object Part 2
    DotNetJunkies
    Upon further thought creating a web service based on the ASPWire example in Part 1 of this article would not be that beneficial to sites like ours unless we were ASPWire. I do show the code in this article to create the web service, but it would be easier and more cost efficient to create the business object from part 1 and use that. Besides creating the web service in this article I am going to be demonstrating a better method of caching and reusing the DataSet returned by the business object from part 1.
    Data Mining / Data Scraping Demo Implementing WhoIs Search and Domain Availability Search in ASP.NET.
    The Code Project
    Data Mining / Data Scraping Demo Implementing WhoIs Search and Domain Availability Search in ASP.NET.
    Data Scraping in ASP.NET Using WhoIs Search !!
    The Code Project
    Data Scraping in ASP.NET Using WhoIs Search !!
    FIX: The HttpWebRequest class and the WebRequest class do not include the port number in the Request Host header when a nonstandard port is used
    http://www.kbalertz.com/
    (812318) - In Microsoft Visual Studio .NET, the HttpWebRequest class and the WebRequest class do not include the port number in the Request Host header when a nonstandard port is used. If an application uses the HttpWebRequest class or the WebRequest class when...
    How to handle events during a web service call ?
    The Code Project
    c#-class that allows to run web service asynchronous to handle events during them
    HOW TO: Create An IAuthenticationModule by Using Visual C# .NET
    http://www.kbalertz.com/
    IN THIS TASK Implement the IAuthenticationModule Interface Create an Application to Test the Module Deploy the Module and Configure the System Test the Module
    HOW TO: Create An IAuthenticationModule by Using Visual C# .NET
    Microsoft Support
    IN THIS TASK Implement the IAuthenticationModule Interface Create an Application to Test the Module Deploy the Module and Configure the System Test the Module
    HOW TO: Make a GET Request Using C# .NET (Q307023)
    Microsoft Support
    The Microsoft .NET Framework includes many useful classes for networking, including the ability to make Web requests. This article demonstrates how to make a simple GET request to retrieve a Web page from the Internet.
    Integrating XML into ASP.Net Web Sites
    Visual Studio Magazine
    Much of the talk about XML nowadays tends to focus on using it for data exchange among e-business applications. While it is true that XML is well suited for this purpose because of its ability to describe data and maintain its structure while being transferred among distributed systems, there are many other ways you can use it to enhance applications. I'll demonstrate one of these ways by showing how to integrate XML into a Web site to provide users with news information.
    Networking Support Provided by the .NET Framework
    C#Today
    The .NET Framework provides a wide range of excellent features that developers can take advantage in building networking applications. The System.Net classes are similar to Microsoft's WinInet API (used for internet protocol programming), in that they allow applications to get and send data using Internet protocols.
    New Features for Web Service Developers in Beta 1 of the .NET Framework 2.0
    MSDN
    Check out the improvements in productivity, performance, extensibility, and standards support in Microsoft .NET Framework 2.0.
    Retrieving a List of Links & Images from a Web Page
    DotNetJunkies
    In this article, Steve will step you through the creation of a Windows Forms application that will allow you to retrieve a list of images and links referenced within a Web page.
    Retrieving Data from Web Services using Standard HTTP 1.1 Compression
    DotNetJunkies
    This very interesting article demonstrates how to reduce network bandwidth while using Web Services by using standard HTTP 1.1 compression techniques.
    Retrieving Data from Web Services using Standard HTTP 1.1 Compression
    DotNetJunkies
    HTTP 1.1 protocol introduced standard ways of compression using gzip or deflate algorithms supported by web servers. Initial tests shown that average compression ratio 10:1 can be easily achieved with large SOAP messages (for instance ADO.NET DataSets with multiple rows). Such reduction of data size cannot be ignored - it's not 10 nor 20 percent but 90% of data size that can be reduced.
    Scheduled Email Reports
    ASP Alliance
    This simple application is designed to be placed into the scheduler of a server to run daily, and to then read from an XML file to determinewhen to send which reports to whom. The chief goal of this application once in place is that no direct server access be required for updates ormaintenance. Reports can be added, removed, or changed, and the recipients and schedule modified as well, all with FTP or FrontPage access only.The application consists of two parts -- the EXE file that must be placed into the Task Scheduler on the server (it doesn't even have to be theweb server where the reports reside, but it should have a persistent internet connection and it must have an SMTP service running on it or elseit needs modified to use an external SMTP server), and the XML configuration file that can reside anywhere as long as the EXE can reference itvia URI. The application can also be run from the command line without an XML configuration file.
    Test Run: Test Automation for ASP.NET Web Apps with SSL
    MSDN
    Testing your Web apps with automation hasn't been easy, but James McCaffrey can help!
    Using MapQuest Maps in your ASP.NET Application
    DotNetJunkies
    A book is great, but a picture is worth 1,000 words right? So stop giving your address and expecting people to find you ... draw them a map! Better yet, have MapQuest draw a map for you. You'll learn how to add a map to your ASP.NET application in this article.
    Using SOAP with .NET Web Services
    ASPFree
    After creating a .NET web service and testing the methods via the default front-end the framework automatically creates for you when an .asmx page is loaded, it came time to test it via actual code. It was time to send and receive SOAP manually. I considered this an important aspect of understanding and designing web services. To actually see how HTTP handles SOAP and how requests and responses are sent and received.
    Using WebRequest and WebResponse in NETCOBOL for .NET
    DotNetJunkies
    This article demonstrates how to use the WebRequest and WebResponse classes in .NET using NETCOBOL.
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