How to load a .mat file with a push button in matlab GUI

I tried this code,

function pushbutton2_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
[FileName,PathName] = uigetfile('*.mat','Select mat file');
if FileName==0, return, end

Struct1 = load( fullfile(PathName,FileName) );   %# pass file path as string
Structname = fieldnames(Struct1); 
end%# typo?

But its showing the following error:

Error using feval
Undefined function 'pushbutton1_Callback' for input arguments of type 'struct'.

Error in gui_mainfcn (line 95)
        feval(varargin{:});

Error in compgui (line 42)
    gui_mainfcn(gui_State, varargin{:});

Error in @(hObject,eventdata)compgui('pushbutton1_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating uicontrol Callback

Can anybody please help me out with this

Thank you

Deepa

Answer 1

[Walter Roberson]

You defined pushbutton2_Callback but your pushbutton is configured to expect pushbutton1_Callback

After you load() the data you will probably need to store it:

http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.3F

[Deepa AS]

Thank you sir. A helpful link. But I sorted that problem by changing the size of user data in property inspector to a value of my .mat file.The error was rectified.