Set listbox with excel content --Attempt to reference field of non-structure array

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Manuel 2013-10-15

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评论： Manuel 2013-10-16

I have a GUI in which a want to set the content of an Excel file in a listbox, the code used is:

[ndata, text, alldata] = xlsread(filename);
set(handles.list_register,'String',cell2str(text));

The Excel file contains only one column with a string in each cell. Once the xls file is read the variable text is a cell type. When I compiled I got:

Attempt to reference field of non-structure array.

Error in Register>list_register_CreateFcn (line 100)
set(handles.list_register,'String',fields(struct(text)));

Thanks in advance for your help,

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回答（2 个）

Azzi Abdelmalek 2013-10-15

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编辑：Azzi Abdelmalek 2013-10-15

cell2str is not a valid Matlab function, it's cellstr and the variable text is already a cell array

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Manuel 2013-10-15

在 MATLAB Online 中打开

Sorry again I copied an old error, the erros is:

Attempt to reference field of non-structure array.

Error in Register>list_register_CreateFcn (line 100)
set(handles.list_register,'String',text);

Azzi Abdelmalek 2013-10-15

Post the entire code for this callback

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sixwwwwww 2013-10-15

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https://ww2.mathworks.cn/matlabcentral/answers/90249-set-listbox-with-excel-content-attempt-to-reference-field-of-non-structure-array#answer_99717

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Dear Manual, I assume that "text" just has one cell then you do like this:

[ndata, text, alldata] = xlsread(filename);
set(handles.list_register,'String',text{:});

I hope it helps

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Azzi Abdelmalek 2013-10-16

Why your code is in function list_register_CreateFcn ? It should be in any callback

Manuel 2013-10-16

编辑：Manuel 2013-10-17

There is a button which opens a new GUI called Register, and when this Register is called then the listbox inside this Register needs to be created with text as content.

@Azzi Abdelmalek if you Need more data let me know.

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