private void btnBorrarPersonaHandler(final String input,final String input2){
final MyUserServiceAsync service = (MyUserServiceAsync) GWT
.create(MyUserService.class);
ServiceDefTarget serviceDef = (ServiceDefTarget) service;
serviceDef.setServiceEntryPoint(GWT.getModuleBaseURL()
+ "userService");
service.deletePersona(input, input2, new AsyncCallback<String>() {
public void onFailure(Throwable caught) {
Window.alert(caught.getMessage());
}