A string containing an HTTP method. The default value is "GET".
Type Reason ArgumentException null, string.Empty, or an invalid value was specified for a set operation.
The HttpWebRequest.Method property can be set to any of the HTTP 1.1 protocol verbs: GET, HEAD, POST, PUT, DELETE, TRACE, or OPTIONS.
If the HttpWebRequest.ContentLength property is set to any value other than -1, the HttpWebRequest.Method property must be set to a protocol property that uploads data.