GetPageHTML - Get the HTML code for a given URL

 

public   class  SampleCode

{

          public SampleCode()

          {}

          

          //       Download the HTML source code at the specified URL

          //       You can optionally specify the username/password credentials,

          //       in case the page uses Basic Authentication

          //       Returns a null string if any error occurs

 

          public static string GetHtmlPageSource(string url)

          {

               return GetHtmlPageSource(url, null, null);

          }

          

          public static string GetHtmlPageSource(string url, string username, string password)

          {

              System.IO.Stream st = null;

          System.IO.StreamReader sr = null;

 

              try

              {

                  // make a Web request

                  System.Net.WebRequest req = System.Net.WebRequest.Create(url);

                  

                             // if the username/password are specified, use these credentials

                  if( username != null && password != null )

                    req.Credentials = new System.Net.NetworkCredential(username, password);

                  

                  // get the response and read from the result stream

                  System.Net.WebResponse resp = req.GetResponse();

                  st = resp.GetResponseStream();

                  sr = new System.IO.StreamReader(st);

                             

                  // read all the text in it

                  return sr.ReadToEnd();

              }

              catch(Exception ex)

              {

                    return string.Empty;

              }

              finally

              {

                  // always close readers and streams

                  sr.Close();

                  st.Close();

              }

          }

}