How to check a web site is running (up) or not ASP.NET and in C# sample code?

How to check a web site is running (up) or not ASP.NET and in C# sample code?

Sample code in ASP.NET and C#:

HttpWebRequest webRequest = (HttpWebRequest)HttpWebRequest.Create(“<Web Site Name>”);

                HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();

if (HttpStatusCode.OK == webResponse.StatusCode)

                {

                        ----------------------

                        ----------------------

webResponse.Close();

                }