[FileName,PathName] = uigetfile('*.txt','Select the MATLAB code file');

if  FileName == 0% 
return

else
   
ExpCond = readtable(FileName,'Delimiter',',')
Bckg_Chro = [ExpCond{:,2} ExpCond{:,3}]; 

app.Lum_Field.Value = str2num(Values{1}); 
app.littleL_Field.Value = str2num(Values{2}); 
app.littleS_Field.Value = str2num(Values{3});
app.CheckBox.Value = str2num(Values{1,4});
app.CheckBox2.Value = str2num(Values{1,5});
app.CheckBox3.Value = str2num(Values{1,6});
app.CheckBox4.Value = str2num(Values{1,7});
app.CheckBox5.Value = str2num(Values{1,8});
app.CheckBox6.Value = str2num(Values{1,9});
app.CheckBox7.Value = str2num(Values{1,10});
app.CheckBox8.Value = str2num(Values{1,11});
app.CheckBox9.Value = str2num(Values{1,12});

end

app.Lum_Field.Value = ExpCond{1,1}; 
app.littleL_Field.Value = ExpCond{1,2}; 
app.littleS_Field.Value = ExpCond{1,3};
app.CheckBox.Value = ExpCond{1,4};
app.CheckBox2.Value = ExpCond{1,5};
app.CheckBox3.Value = ExpCond{1,6};
app.CheckBox4.Value = ExpCond{1,7};
app.CheckBox5.Value = ExpCond{1,8};
app.CheckBox6.Value = ExpCond{1,9};
app.CheckBox7.Value = ExpCond{1,10};
app.CheckBox8.Value = ExpCond{1,11};
app.CheckBox9.Value = ExpCond{1,12};