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© Rakhesh Sasidharan

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The System.Net.Webclient class

The system.net.webclient class can be used to deal with web pages.

To download and display pages this class has couple of methods:

  • DownloadData downloads the page and displays it as an array of bytes.
  • DownloadString downloads the page and displays it as one long string.
  • DownloadFile downloads the page and saves it to a file name you specify.

The class also has properties you can set to be used while downloading a page. For instance:

  • QueryString to specify pairs of query parameters and their values. For example: to do a Google search for the word “rakhesh” one can fetch the page http://www.google.com/search?q=rakhesh. This q=rakhesh is a query string, with q being a parameter and rakhesh being a value to the parameter. To do the same via the system.net.webclient class one would do the following:

  • Headers to specify pairs of headers that can be set when requesting the web page:

  • Credentials to specify credentials for accessing the web page:

  • ResponseHeaders to view the headers received in response.

There are other properties and methods too, the above are what I had a chance to look at today.

The System.Net.Webclient class by rakhesh is licensed under a Creative Commons Attribution 4.0 International License.

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