Error: The remote server returned an error: (400) Bad Request for fetch and display Rss feeds in ASP.Net

Gm Sir,

http://www.aspsnippets.com/Articles/Fetch-and-Display-RSS-Feeds-using-ASP.Net.aspx

i m trying to use this bt i got error like:

The remote server returned an error: (400) Bad Request. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote server returned an error: (400) Bad Request.

Source Error:

Line 50: catch(Exception ex) Line 51: { Line 52: throw ex; Line 53: } Line 54: }

;;

pls help me out sir..