app.CheckFileEditField.Value = ' ';
app.WarningLabel.Text = ' ';
if contains(app.InFilePathName, '.')
index = strfind(app.InFilePathName,'.');
FileExtension = app.InFilePathName(index(end)+1:end);
ValidSpreadsheetExtensions={'xlsx', 'xls', 'xlsm', 'xlsb', 'xltx', 'xltm','ods'};
if ismember(FileExtension,ValidSpreadsheetExtensions)
app.CheckFileEditField.Value = 'Proper File';
FileType = 'spreadsheet';
VariableNamesRange=strcat('A',num2str(app.NumHeaderLinesEditField.Value+1));
app.opts = detectImportOptions(app.InFilePathName,'FileType',FileType,'VariableNamesRange',VariableNamesRange,'Sheet',app.SheetToImportEditField.Value);
else
app.CheckFileEditField.Value = 'Improper File';
FileType='text';
app.opts = detectImportOptions(app.InFilePathName,'FileType',FileType);
end
my_table = readtable(app.InFilePathName,app.opts);
uitable(my_table)
uitable.ColumnName = my_table.Properties.VariableNames
else
app.WarningLabel.Text = {'*Warning: Incorrect file name format'};
end
