fnFilter returns undefined.
fnFilter returns undefined.

I've a button group (containing 26 buttons, one for each alphabet). I want to filter datatable using the 2nd column('First Name').
I tried using fnFilter as-
var dTable = $('#leadsTable').dataTable();
dTable.fnFilter(selectedAlphabet, 1);
dTable.fnDraw();
But it is not working for me. Please help.
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Answers
Per the forum rules, please link to a test case showing the issue so it can be debugged and we can offer some help.
Allan