$('#dlg-buttons-ok').bind('click', function(){

                    

                   $.ajax({

                          url:'../servlet/Student_add',

                          data :$('#ff').serialize(),

                          dataType:'json',

                          success:function(data){   

                            if(data.msg=="添加成功"){                //如果登录成功，隐藏登录框   

                              dlg.dialog('close');

                              $.messager.alert('通知',"添加成功"); 

                              $('#dg').datagrid('load',{

	                              code: '01',

	                              name: 'name01'

                               });

                            }  

                            else

                                 $.messager.alert('通知',data.msg);  

                          }, 

                          error:function(){

                           $.messager.alert('通知',"错误");