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12 May 2005
Enabling Tracing for System.Net
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In whidbey, System.Net has a cool retail tracing implementation. It writes most calls made to public API's to a TraceListener. You can setup your own tracelisteners, or use the config file to setup a default listener. This facility is very useful in debugging Read More...
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31 March 2005
HttpWebRequest and Host Headers
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A user posted on the newsgroups asking about how to set Host headers in HttpWebRequest. HttpWebRequest does not allow the host header to be set by the user. It is set automatically from the URI supplied to HttpWebRequest constructor. However, it turns Read More...
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22 November 2004
Forcing reuse of connections when doing Windows Authentication
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When doing authentication, HttpWebRequest manages connections differently, depending on the authentication mode being used. If it uses Windows Integrated Authentication, it will close the connection after every request completes. The reasons for this Read More...
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07 October 2004
Async Programming Model - Reloaded
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This topic is about the asynchronous programming model, and how it is used when doing Networking. Introduction to Asynchronous Programming The DotNetFramework supports an asynchronous programming model that is uniform across all classes & features Read More...
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12 July 2004
HttpWebRequest and PreAuthentication
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The topic of this post is PreAuthentication. HTTP Webservers support multiple authentication options. On Windows, IIS supports Basic, NTLM, Digest, Negotiate (a.k.a Integrated Windows Authentication). Of these, Basic & Kerberos support PreAuthentication. Read More...
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30 March 2004
Downloading content from the web using different encodings
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The other day, somebody asked me: How do I download a webpage, or other content from a webserver, where the content is stored using a specific encoding ? They want to do this using for eg: System.Net.HttpWebRequest Why is this necessary ? Well, for starters, Read More...
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01 February 2004
A tale of threads
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Today's lesson is about thread interaction between Asp.Net and the HttpWebRequest object of the System.Net namespace. The CLR provides a threadpool. This facility provides threads for normal work ( worker threads ), I/O work ( I/O threads) and Timer Threads. Read More...
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21 January 2004
HttpWebRequest and Connections
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The .NET Framework has a HttpWebRequest object in the System.Net namespace. This object allows you to talk to HTTP Servers. Usually, people forget that the underlying connection created by the request is not freed up,unless you call Close() on the response. Read More...
