GET and POST to a webservice on ASP.net (c#)

yes it is... here is the full sketch

/*
  Web client
 
 */

#include <SPI.h>
#include <Ethernet.h>

// Enter a MAC address for your controller below.
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
// if you don't want to use DNS (and reduce your sketch size)
// use the numeric IP instead of the name for the server:
IPAddress server(192,168,2,90);  // numeric IP (no DNS)
//char server[] = "http://toponet.zapto.org:90";    // using DNS

// Set the static IP address to use if the DHCP fails to assign
IPAddress ip(192,168,2,105);

// Initialize the Ethernet client library
// with the IP address and port of the server 
// that you want to connect to (port 80 is default for HTTP):
EthernetClient client;

void setup() {
 // Open serial communications and wait for port to open:
  Serial.begin(9600);
   while (!Serial) {
    ;
  }
  if (Ethernet.begin(mac) == 0) {
    Serial.println("Failed to configure Ethernet using DHCP");
    Ethernet.begin(mac, ip);
  }
  delay(1000);
  Serial.println("connecting...");
  if (client.connect(server, 80)) {
    Serial.println(F("connected"));
    // Make a HTTP request:
    /*
    POST /WebServiceSQL/WebServiceSQL.asmx HTTP/1.1
    Host: toponet.zapto.org
    Content-Type: application/soap+xml; charset=utf-8
    Content-Length: length
    
    <?xml version="1.0" encoding="utf-8"?>
    <soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
    <soap12:Body>
    <logactivation xmlns="http://toponet.zapto.org">
    <pinnumber>int</pinnumber>
    </logactivation>
    </soap12:Body>
    </soap12:Envelope>
    */
    client.println(F("POST /WebServiceSQL/WebServiceSQL.asmx HTTP/1.1"));
    client.println(F("Host: 192.168.2.90"));
    client.println(F("Content-Type: text/xml; charset=utf-8"));
    client.println(F("Content-Length: 350"));
    client.println(F("Connection: close"));
    client.println(F("SOAPAction: \"http://toponet.zapto.org/logactivation\""));
    client.println();
    client.println(F("<?xml version=\"1.0\" encoding=\"utf-8\"?>"));
    client.println(F("<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"));
    client.println(F("<soap:Body>"));
    client.println(F("<logactivation xmlns=\"http://toponet.zapto.org\">"));
    client.println(F("<pinnumber>3</pinnumber>"));
    client.println(F("</logactivation>"));
    client.println(F("</soap:Body>"));
    client.println(F("</soap:Envelope>"));
  } 
  else {
    // kf you didn't get a connection to the server:
    Serial.println("connection failed");
  }
}

void loop()
{
  // if there are incoming bytes available 
  // from the server, read them and print them:
  if (client.available()) {
    char c= client.read();
    Serial.print(c);
   }

  // if the server's disconnected, stop the client:
  while (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting.");
    client.stop();

    // do nothing forevermore:
    while(true);
  }
}