How to use the Ext.Msg.confirm with ajax inside?

[Exequiel]

When I'm not use the Ext.Msg.confirm the ajax is properly process. but when i put the ajax inside of the confirm it does not work. . . how can i use the confirm in ext with ajax? . . Thank you :)

Ext.Msg.confirm('Message', 'Delete this data?', function(btn, text){
                              if(btn == 'Yes'){
                                  Ext.Ajax.request({
                                    url: '<?php echo base_url();?>index.php/process/deleteme',
                                    params:{
                                        user_id : user_id
                                    },
                                    success:function(msg){
                                        store.reload();
                                    },
                                    failure: function(resp) {
                                        Ext.Msg.alert('System Message','Could not connect to the database.');
                                    }
                                });
                            }
                        });

[Exequiel]

I got it already. . I capitalized the Y in if(btn == 'yes'). hehe. . sorry