I got this error message on the datatable.please help me to resolve this issue.

   function RefreshSearchResult(location, provider, reason, from, to, chartNumber) {
            debugger;
            var str = "{ strLocation:'" + location + "', strProvider: '" + provider + "', strReason: '" + reason + "', strFrom: '" + from + "', strTo: '" + to + "', strChartNumber: '" + chartNumber + "' }";
            $.ajax
                            ({
                                type: "POST",
                                url: "AptSearchResult",
                                contentType: "application/json; charset=utf-8",
                                dataType: "json",
                                data: str, 
                              
                                success: function (data) {
                                    $('#myTable').dataTable();
                                    $('#myTable_filter').css('display', 'none');
                                    if (data.length > 0) {
                                        var row = ['<table id="myTable" class="table table-striped table-hover">\
                                        <thead>\
                                            <tr>\
                                                <th><input type="checkbox" id="chkAll"></th>\
                                                <th>Chart Number</th>\
                                                <th>Reason To Visit</th>\
                                                <th>Provider</th>\
                                                <th>Location</th>\
                                                <th>From</th>\
                                                <th>To</th>\
                                            </tr>\
                                        </thead>\
                                        <tbody>'].join('\n');
                                        for (var i = 0; i < data.length; i++) {
                                            var item = data[i];
                                            row += ["<tr>\
                                                        <td><input type='checkbox' class='tblcheck' value='" + item.AppointmentId + "' id='chk_" + item.AppointmentId + "'></td>\
                                                         <td>" + item.ChartNumber + "</td>\
                                                         <td><a href='#' data-toggle='modal' >" + item.Description + "</a></td>\
                                                     <td>" + item.Provider + "</td>\
                                                     <td>" + item.Location + "</td>\
                                                     <td>" + item.StartDate + "</td>\
                                                     <td>" + item.EndDate + "</td>\
                                                </tr>"];
                                        }
                                        row += ['</tbody>\
                                    </table>'];
                                        $("#gridContent").html(row);
                                        $('#myTable').dataTable();
                                        $('#myTable_filter').css('display', 'none');
                                    }

                                    else {
                                        var row = ['<table id="myTable" class="table table-striped table-hover">\
                                        <thead>\
                                            <tr>\
                                                <th><input type="checkbox" id="chkAll"></th>\
                                                <th>Chart Number</th>\
                                                <th>Reason To Visit</th>\
                                                <th>Provider</th>\
                                                <th>Location</th>\
                                                <th>From</th>\
                                                <th>To</th>\
                                            </tr>\
                                        </thead>\
                                        <tbody>'].join('\n');

                                        row += ["<tr class='odd'>\
                                                        <td valign='top' colspan='7' class='dataTables_empty' style='text-align:center'>No data available in table</td>\
                                                </tr>"];
                                        row += ['</tbody>\
                                    </table>'];
                                        $("#gridContent").html(row);
                                        $('#myTable').dataTable();
                                        $('#myTable_filter').css('display', 'none');
                                    }
                                }
                            });
            return false;
        }

    </script>


it show the warning message (DataTables warning: table id=myTable - Requested unknown parameter '1' for row 0. For more information about this error, please see http://datatables.net/tn/4).I have to remove this message.