老外编的程序（二）－－System.Net的示例程序

2024-07-10 13:00:28

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using system;
using system.net;
using system.text;
using system.collections.specialized;

public class webclientsample
{
    public static void main()
    {
        try {

        // download the data to a buffer
               webclient client = new webclient();

          byte[] pagedata = client.downloaddata("http://www.microsoft.com");
        string pagehtml = encoding.ascii.getstring(pagedata);
        console.writeline(pagehtml);

        // download the data to a file
                client.downloadfile("http://www.bn.com", "page.htm");

        // upload some form post values
        namevaluecollection form = new namevaluecollection();
        form.add("myname", "myvalue");
        byte[] responsedata = client.uploadvalues("http://localhost/somefile.aspx", form);

        }
        catch (webexception webex) {
              console.writeline(webex.tostring());
               if(webex.status == webexceptionstatus.connectfailure) {
                   console.writeline("are you behind a firewall?  if so, go through the proxy server.");
               }
        }
    }
}

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