How to load neural network from GUI

Hi, I'm trying to load my neural network from GUI. I add the command

"net_sentence=load('net_sentence.mat')" in a function contained inside "function pushbutton2_Callback(hObject, eventdata, handles)" but it doesn't load corretly Neural network. Do you know why?

[Jan]

Please mention any details about "is doesn't load correctly". What does this mean?