HttpWebRequest.GetResponse() hangs the second time it is called

Question

I\'m trying to fetch a series of files via HTTP, using HttpWebRequest. The first request goes through fine, but the second time through the same code GetResponse() hangs and

Answer 1

'You need to initialize the webrequest and webresponse objects with a valid URI:

        Dim request As WebRequest = WebRequest.Create("http://google.com")
        Dim response As WebResponse = request.GetResponse()

        Function UrlExists(ByVal URL As String) As Boolean
            Try
                request = WebRequest.Create(URL)
                response = request.GetResponse()
            Catch ex As Exception
                Return False
            Finally
                response.Close()
            End Try
            Return True
        End Function