check internet Connection c#

check internet connection availiblty in c# .net

Method 1.

bool ConnectionExists()

{

try

{

System.Net.IPHostEntry objIPHE = System.Net.Dns.GetHostEntry("www.google.com");

return true;

}

catch

{

return false;

}

}

Method 2.

bool ConnectionExists()

{

try

{

System.Net.Sockets.TcpClient clnt = new System.Net.Sockets.TcpClient("www.google.com", 80);

clnt.Close();

return true;

}

catch (System.Exception ex)

{

return false;

}

}

Blog by: VidyaGyan