Here is how to clear all filtering in datatable.
function fnResetAllFilters() {
var oSettings = oTable.fnSettings();
for(iCol = 0; iCol < oSettings.aoPreSearchCols.length; iCol++) {
oSettings.aoPreSearchCols[ iCol ].sSearch = '';
}
oTable.fnDraw();
}
So to clear just one filter, do:
function reset_filter_with_index(iCol){
var oSettings = oTable.fnSettings();
oSettings.aoPreSearchCols[ iCol ].sSearch = '';
oTable.fnDraw();
}
BrianChan.us 
Yeah it clears the filtering but it doesn’t clear the input filter … plz how can i do it ??
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oTable.fnDraw();
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use pcsTable.fnFilter(“”); insted of oTable.fnDraw();
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Wow ! This is what I had been looking for ! Works great !
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