public void visit(clsAddress obj)
 {
     strData = strData + "<Address1>" + obj.strAddress1 + "</Address1>";
     strData = strData + "<Address2>" + obj.strAddress2 + "</Address2>";
 }
 public void visit(clsAddress obj)
 {
     strData = strData + "Address 1 :- " + obj.strAddress1 + "\r\n";
     strData = strData + "Address 2 :- " + obj.strAddress2 + "\r\n";
 }