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I'm not familiar with the environment you are using but generally columns.adjust() can be used to readjust columns when a hidden Datatable is displayed. Kevin

buttons: [ { extend: 'copyHtml5', exportOptions: { columns: [1, 2, 3, 4,

function (xhr) { xhr.setRequestHeader('authorization', emagine.security.authorizationHeader()); } }, 'columns': [{ "title": "Order", 'visible': true,

to display it the columns might be misaligned. This

is to add hidden columns to the table containing

If we have multiple columns for each sub record,

That message usually means there is a mismatch between the number of columns in your table and your Datatables config. Please post your HTML showing the table, your javascript and the JSON response. Kevin

Ok, I've restructured the code to this: if (myTable.datatable) { myTable.datatable.destroy(); $('#grid').empty(); // empty in case the columns change } With the first chunk of testing, the errors seem to go away. I'll play some more and see what happens.

colvis', collectionLayout: 'fixed two-column', columns: ':gt(9)', text: 'Show/Hide Column'

the indexes of these columns are "2" and "4")