if(result.uploaded.skippedColumns.length==1){
                            messages.push(my.messages.skippedColumn+": "+result.uploaded.skippedColumns.join(', '));
                        }else if(result.uploaded.skippedColumns.length>1){
                            messages.push(my.messages.skippedColumns+": "+result.uploaded.skippedColumns.join(', '));
                        }