auto fit for excel columns while exporting from data table using tabletools

vivekcho

I m using table tools in data table for exporting of table contents to excel file, but can we set column width of excel file to auto????
Can this be done using table tools???

vivekcho

my code for data table is

$(document).ready(function(){


    var t = $('#contractList').dataTable( {
        "sDom": 'T<"clear">lfrtip',
        "oTableTools":

    {

            "sSwfPath": "${resource(dir: 'swf', file: 'copy_csv_xls_pdf.swf')}",
            "aButtons": [
                {
                    "sExtends":"xls",
                    "mColumns":[0,1,2,3,4]

                },
                {
                    "sExtends": "print",
                    "sMessage": "Contract List Enlistment"
                }
            ]
        }

    }); 
}) 

Now i need to format the excel file with column width auto according to content, can anybody help me???