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by assigning them to columns.render when creating your table

for example can use columns.render as well as columns.data.

The RowGroup information is not exported. The limitations section of the RwoGroup docs document this. Here is an example of using column selectors to choose which columns to export: https://datatables.net/extensions/buttons/examples/html5/columns.html Kevin

a note of the columns you passed into the

like you have 6 columns, numbered 0-5. You would

@allan could you please tell me what would be the best way to reload the data in such table where both columns and table data are dynamic?

how can i set columns dinamically then? i tried

done function processing the columns. request.done(function(output){ if (output.result == 'success'

Works well if no columns are fixed. I need

Hi @DavidPetrillo , There isn't a way as standard - but it would be trivial in initComplete to scan a columns data (column().data()) and if all empty, then hide with column().visible(), Cheers, Colin

Maybe adding / removing columns is the wrong word

so the fixed columns works now..so it resolves this question. thanks