public String setData(String SQL) {

		try {
			if (connOjbect == null){
				if (! connectToDB()){
					return "Error";
				}	
			}

			String message;

			Statement st = connOjbect.createStatement();

			if (st.execute(SQL)){
				message = "OK";
			}
			else{
				message = "Error";
			}
			st.close();
			return message;	

		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return "Error";
		}


	}