C# HttpWebRequest

I would like to know how to make an Http Web Request on C# via POST, not via GET.

I have this example working via GET:

ASPX File ASPX C# File

Now I wold like to know how to do a si开发者_如何学Gomple Http Web Request sending data via POST.

Thanks very much!!

Pretty simple:

request.Method = "POST";

// Write parameters...
byte[] data = new ASCIIEncoding( ).GetBytes( parameters );
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
using ( Stream outStream = request.GetRequestStream( ) )
    outStream.Write( data, 0, data.Length );