From < form id= "csvfile" method= "post" enctype= "multipart/form-data" action= " <?php echo base_url(). "admin/amazon_fees_detail/uploadcsvamazonfeesdetail" ; ?> " > < div class= "form-group" > < div class= "col-sm-3" > <?php echo anchor( 'admin/amazon_fees_detail/createamazonfeesdetail' , '<i class="fa fa-plus"></i> Create Amazon Fees Detail' , array ( 'class' => 'btn btn-block btn-primary btn-flat' )); ?> </ div > </ div > < div class= "form-group" >< div class= "col-sm-3" ></ div ></ div > < div class= "form-group" > < label class = "col-sm-3 control-label" style= " text-align : end ; padding-top : 5 px ; " > Upload CSV File </ label > < div class= ...