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Tip of the Day
Language: VB7
Expertise: Intermediate
Aug 11, 2003

Calling web services from behind a proxy server

When you use a web service's proxy class, the calls to the web service might fail if you're behind a proxy server. To solve the problem, you set the Proxy property of a web service's proxy class to an instance of WebProxy, that contains the HTTP proxy settings needed for the web method calls. Here's an example:

Dim myService As New MyWebService
Dim proxyObject As New System.Net.WebProxy("http://proxyserver:80/", True)
myService.Proxy = proxyObject

myService.MyMethod()
The same issue, and this solution, applies also to the WebRequest class, that you typically use to download the HTML source code at the specified URL, as shown in this routine.
Marco Bellinaso
 
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