you create a microsoft asp net application by using the framework..., Appendix,

Question:You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a Microsoft Windows Communication Foundation (WCF) service that exposes the following service contract:

01  [ServiceContract]
02 public interface IBlogService
03 {
04    [OperationContract]
05    [WebGet(ResponseFormat=WebMessageFormat.Xml)]
06    Rss20FeedFormatter GetBlog();
07 }
You configure the WCF service to use the WebHttpBinding class, and to be exposed at the following URL:
http://www.contoso.com/BlogService

You need to store the result of the GetBlog operation in an XmlDocument variable named xmlBlog in a Web form.
Which code segment should you use?

A string url = @"http://www.contoso.com/BlogService/GetBlog";
XmlReader blogReader = XmlReader.Create(url);
xmlBlog.Load(blogReader); 
B string url = @"http://www.contoso.com/BlogService";
XmlReader blogReader = XmlReader.Create(url);
xmlBlog.Load(blogReader); 
C Uri blogUri = new Uri(@"http://www.contoso.com/BlogService");
ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);

IBlogService blogSrv = blogFactory.CreateChannel();
Rss20FeedFormatter feed = blogSrv.GetBlog();
xmlBlog.LoadXml(feed.ToString()); 
D Uri blogUri = new Uri(@"http://www.contoso.com/BlogService/GetBlog");
ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);

IBlogService blogSrv = blogFactory.CreateChannel();
Rss20FeedFormatter feed = blogSrv.GetBlog();
xmlBlog.LoadXml(feed.Feed.ToString());

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A string url = @"http://www.contoso.com/BlogService/GetBlog";XmlReader blogReader = XmlReader.Create(url);xmlBlog.Load(blogReader);

B string url = @"http://www.contoso.com/BlogService";XmlReader blogReader = XmlReader.Create(url);xmlBlog.Load(blogReader);

C Uri blogUri = new Uri(@"http://www.contoso.com/BlogService");ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);IBlogService blogSrv = blogFactory.CreateChannel();Rss20FeedFormatter feed = blogSrv.GetBlog();xmlBlog.LoadXml(feed.ToString());

D Uri blogUri = new Uri(@"http://www.contoso.com/BlogService/GetBlog");ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);IBlogService blogSrv = blogFactory.CreateChannel();Rss20FeedFormatter feed = blogSrv.GetBlog();xmlBlog.LoadXml(feed.Feed.ToString());

A

A string url = @"http://www.contoso.com/BlogService/GetBlog";
XmlReader blogReader = XmlReader.Create(url);
xmlBlog.Load(blogReader);

B string url = @"http://www.contoso.com/BlogService";
XmlReader blogReader = XmlReader.Create(url);
xmlBlog.Load(blogReader);

C Uri blogUri = new Uri(@"http://www.contoso.com/BlogService");
ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);

IBlogService blogSrv = blogFactory.CreateChannel();
Rss20FeedFormatter feed = blogSrv.GetBlog();
xmlBlog.LoadXml(feed.ToString());

D Uri blogUri = new Uri(@"http://www.contoso.com/BlogService/GetBlog");
ChannelFactory<IBlogService> blogFactory = new ChannelFactory<IBlogService>(blogUri);

IBlogService blogSrv = blogFactory.CreateChannel();
Rss20FeedFormatter feed = blogSrv.GetBlog();
xmlBlog.LoadXml(feed.Feed.ToString());