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App developer: How to clean or reset a table

Asked by Benedikt Wessel on 9 Nov 2018
Latest activity Edited by Akshay Khadse on 19 Nov 2018
Hello everybody, how can I clear the content of a table? Is there a command like cla for graphs?
The table I'm talking about looks like this:
Thank you

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R2018a

1 Answer

Answer by Akshay Khadse on 19 Nov 2018
Edited by Akshay Khadse on 19 Nov 2018

I am assuming that you have a UITable in your app created via MATLAB App Designer.
There is no direct command to clear the contents of a UITable. However, you can use the following methods to achive this:
Method 1: If you specified the contents of the UITable as a cell array, you could manually find strings and numbers, and then replace them with empty strings '' or empty arrays [].
The following snippet should help you get started:
tableData = get(app.UITable,'Data');
charLocations = cellfun(@ischar, tableData);
tableData(charLocations) = {''};
tableData(~charLocations) = {[]};
set(app.UITable, 'Data', tableData);
The following more information on this please refer to the following MATLAB Answer:
Method 2: This applicable for any UITable irrespective of how the data is specified. You can replace the contents of the UITable with empty cell array or empty table as follows:
app.UItable.Data = {};

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