i think ur port is not connected ur pc .I mean sqlserver port .Pls check the port number whethere it is working or not using scoket program
import java.io.*;
public class pp {
public static void main(
String jj[]) {
try {
java.net.Socket sock1 = new java.net.Socket("vasu",1433);
// here vasu is the pc name
// 1433 is the driver port for sqlserver using datadirect
System.out.println(sock2);
sock1.close();
} catch (Exception ex) {
ex.printStackTrace();}
}
}