//Obtain all the data of one user by his id
public User_Class getUser(int id)
{
User_CAD u = new User_CAD();
return u.getUserCAD(id);
}
//Obtain all the data of one user by his nick
public User_Class getUser(string nick)
{
User_CAD u = new User_CAD();
return u.getUserCAD(nick);
}