Doesn´t show all information to export a large table in pdf with pdfHtml5

whernandez

Hello everybody.

I have a problem when i try to export a table with 20 columns, only show 17 columns, change orientation and paper size, so you know what happend? this my code

$("#idTablaReporteECMMensajesError").dataTable({
"data": data,
tabla: "#idTablaReporteECMMensajesError",
dom: 'Blfrtip',
buttons:
[{
extend: 'collection',
text: DATBLG,
buttons: [
{
extend: 'excelHtml5',
title: RPRMM,
},
{
extend: 'pdfHtml5',
title: RPRMM,
exportOptions: {
columns: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,18,19,20]

                                            },
                                            customize: function (doc) {
                                                // Splice the image in after the header, but before the table

                                                console.log('doc.cont', doc.content);
                                                //console.log('doc.cont', doc.content.table);
                                                //console.log('doc.cont', doc.content.body);
                                                var columns= []

                                                for (var i = 0; i < doc.content[1].table.body[0].length; i++) {
                                                    columns.push("*");
                                                }
                                                doc.content[1].table.widths = columns;
                                            },
                                            orientation: 'landscape',
                                            pageSize: 'TABLOID'
                                        },
                                        {
                                            extend: 'csvHtml5',
                                            title: RPRMM,
                                        }]
                                }],
                    "colVis": {
                        "showAll": RPTXTALL,
                        "showNone": RPTXTNOT,
                        "buttonText": RPTXTMO
                    },
                    "order":[[2, "asc"]],
                    stateSave: true,
                    "lengthMenu": [500, 1000, 1500],
                    "scrollY": 250,
                    "scrollCollapse": true,
                    "scrollX": true,
                    "columns": that.columnsReporteECMMensajesMotor,
                    select: {
                        style: 'os',
                        selector: 'tr'
                    }
                });