How insert a DropDownValue to Table in AppDesinger

Question

Torge Flatow 2022-8-25

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https://ww2.mathworks.cn/matlabcentral/answers/1786400-how-insert-a-dropdownvalue-to-table-in-appdesinger

编辑： Ankit 2022-8-29

Hello,

I want to transfer a variable that I selected in a drop-down to a table.

This table is calling an ExcelTable to which I want to transfer the variable.

I get either

"Conversion to cell from char is not possible." when I use "app.t.Column1 = app.DropDown.Value" or

"Unable to perform assignment because the left and right sides have a different number of elements." when I use "app.t.Column1 = app.A" as an error message.

Does anyone have a solution?

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Torge Flatow 2022-8-29

The solutiuon was "cellstr()"

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Answer 1

Ankit 2022-8-29

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1786400-how-insert-a-dropdownvalue-to-table-in-appdesinger#answer_1036505

编辑：Ankit 2022-8-29

在 MATLAB Online 中打开

can you let me know your output (app.DropDown.Value is a char or string). you need to convert to desired data type. You can't set data with double datatype with char/string

As I see you want to update the column name right?

here is one example:

fig = uifigure;
dd = uidropdown(fig,'Items',{'Red','Yellow','Blue','Green'},...
    'Value','Blue');
cnames = {'Column1','Column2','Column3'}; % These are your column names
data = {'Male',52,true;'Male',40,true;'Female',25,false};
uit = uitable(fig,'Data',data,'ColumnName',cnames, ...
    'Position',[140 140 262 204]);
uit.Data{1,1} = dd.Value;
uit.ColumnName{1,1} = dd.Value;