December 2001
Beginner
464 pages
13h 51m
English
Content preview from Programming Visual Basic .NET
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Testing a Web Service with a Browser
Web services deployed on
ASP.NET can
easily be tested with a web browser, because the ASP.NET framework
itself includes the ability to generate browser screens based on the
definition of the web service. For example, browsing to the
.asmx file shown in Example 7-1
(using the URL http://localhost/WebServices/HelloWebService.asmx)
produces the browser screen shown in Figure 7-1.
Figure 7-1. Browsing to a web service hosted in ASP.NET
To test a web service in a web browser, the
.asmx
file must be deployed in an IIS virtual
directory. Using the browser to view the .asmx
file directly from disk doesn’t work.
The “HelloWebService” in large
font in Figure 7-1 is the name of the web service
exposed at the given URL. This is the name of the implementation
class (or the value given by the Name
parameter of the WebService attribute, if
present). Underneath the main heading there are two additional links.
The first, marked “Service Description”, links to the
WSDL description of the service. (Web-service descriptions and WSDL
are explained in the next section.)
The second, at the bottom of the test window, is the list of web methods exposed by the web service. In the case of HelloWebService, there is only a single method, SayHello. Clicking on the name of the method brings up a screen with information about that method and with a mechanism for testing it. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.