$(document).ready(function () {
        var table = $('.example').DataTable({
            dom: "Bfrtip",
            buttons: [

                {
                    extend: 'copyHtml5',
                    text: '<i class="fa fa-files-o"></i>',
                    titleAttr: 'Copy',
                    title: $('.download_label').html(),
                    exportOptions: {
                        columns: ':visible'
                    }
                },

                {
                    extend: 'excelHtml5',
                    text: '<i class="fa fa-file-excel-o"></i>',
                    titleAttr: 'Excel',
                   
                    title: $('.download_label').html(),
                    exportOptions: {
                        columns: ':visible'
                    }
                },

                {
                    extend: 'csvHtml5',
                    text: '<i class="fa fa-file-text-o"></i>',
                    titleAttr: 'CSV',
                    title: $('.download_label').html(),
                    exportOptions: {
                        columns: ':visible'
                    }
                },

                {
                    extend: 'pdfHtml5',
                    text: '<i class="fa fa-file-pdf-o"></i>',
                    titleAttr: 'PDF',
                    title: $('.download_label').html(),
                    exportOptions: {
                        columns: ':visible'
						
                    }
                },

                {
                    extend: 'print',
                    text: '<i class="fa fa-print"></i>',
                    titleAttr: 'Print',
                    title: $('.download_label').html(),
                        customize: function ( win ) {
                    $(win.document.body)
                        .css( 'font-size', '10pt' );
 
                    $(win.document.body).find( 'table' )
                        .addClass( 'compact' )
                        .css( 'font-size', 'inherit' );
                },
                    exportOptions: {
                        columns: ':visible'
                    }
                },

                {
                    extend: 'colvis',
                    text: '<i class="fa fa-columns"></i>',
                    titleAttr: 'Columns',
                    title: $('.download_label').html(),
                    postfixButtons: ['colvisRestore']
                },
            ]
        });
    });