DataTables fixed headers misaligned with columns in wide tables

Question

Problem

When using the sScrollX, sScrollXInner and/or sScrollY to achieve a fixed header table with its inner content scroll

Answer 1

I just figured out a way to fix the alignment issue. Changing the width of div containing the static header will fix its alignment. The optimal width I found is 98%. Please refer to the code.

The auto generated div:

Width here is 100%, change it to 98% on initializing and reloading the data table.

jQuery('#dashboard').dataTable({
    "sEcho": "1",

    "aaSorting": [[aasortvalue, 'desc']],
    "bServerSide": true,
    "sAjaxSource": "NF.do?method=loadData&Table=dashboardReport",
    "bProcessing": true,
    "sPaginationType": "full_numbers",
    "sDom": "lrtip", // Add 'f' to add back in filtering
    "bJQueryUI": false,
    "sScrollX": "100%",
    "sScrollY": "450px",
    "iDisplayLength": '<%=recordCount%>',
    "bScrollCollapse": true,
    "bScrollAutoCss": true,
    "fnInitComplete": function () {
        jQuery('.dataTables_scrollHead').css('width', '98%'); //changing the width
    },
    "fnDrawCallback": function () {
        jQuery('.dataTables_scrollHead').css('width', '98%');//changing the width
    }
});

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