jQuery Grid Plugin - jqGrid

I have a table with 6 columns and I am able to update the records.  If I add a new column in the table and I update the record (using inline editing, or adding a new record) it shows updated in the grid but when I refresh the page it has not updated. If I delete the additional column it updates.

Help please.  I am using JQuery Grid 3.6.4

My Quode:

<?php
require_once "../jq-config.php";

// include the jqGrid Class
require_once ABSPATH."php/jqGrid.php";
// include the driver class
require_once ABSPATH."php/jqGridPdo.php";
// Connection to the server
/*$conn = new PDO(DB_DSN,DB_USER,DB_PASSWORD);*/

$conn = new PDO(DB_DSN,DB_USER,DB_PASSWORD, array
(PDO::MYSQL_ATTR_MAX_BUFFER_SIZE=>1024*1024*10));

$conn->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);

// Tell the db that we use utf-8
$conn->query("SET NAMES utf8");

// Create the jqGrid instance
$grid = new jqGridRender($conn);
// Write the SQL Query
$grid->SelectCommand = 'Select id, STATION, Country,  YEAR, MO,  D01,F01, F02';

// Set the table to where we add the data
$grid->table = 'daily';

// Set output format to json
$grid->dataType = 'json';
// Let the grid create the model
$grid->setColModel();
// Set the url from where we obtain the data
$grid->setUrl('grid_dailyrainfall.php');
$grid->addCol(array(
    "name"=>"actions",
    "formatter"=>"actions",
    "editable"=>false,
    "sortable"=>false,
    "resizable"=>false,
    "fixed"=>true,
    "width"=>60,
    "formatoptions"=>array("keys"=>true)
    ), "first");

$grid->setGridOptions(array(
    "caption"=>"Data Can Be Filterd Below:",
    "rowNum"=>50,
    "hoverrows"=>true, 
    "rowList"=>array(50,100,150),
    "sortname"=>"id",
 "altRows"=>true,
    "rownumbers"=>true,
 "sortable"=>true,
 "autowidth"=>true,
    "multiselect"=>true,
 "scroll"=>1,
 "shrinkToFit"=>false
));

$grid->setSelect("Country", "SELECT DISTINCT country_id, Country FROM countries ORDER BY 2", true, true, true, array(""=>"All"));

// Enable navigator
$grid->navigator = true;
// Enable toolbar searching
$grid->toolbarfilter = true;
$grid->setFilterOptions(array("stringResult"=>true,"editable"=>false));

// We tell that the primary key is not serial, which should be inserted by the user
$grid->serialKey = true;

// Enable only adding
$grid->setNavOptions('navigator', array("excel"=>true,"add"=>true,"edit"=>true,"del"=>true,"view"=>true, "search"=>true));

// Close the dialog after the record is added
$grid->setNavOptions('add',array("closeAfterAdd"=>true,"reloadAfterSubmit"=>true));
$grid->setNavOptions('edit',array("closeAfterEdit"=>true,"reloadAfterSubmit"=>true));
$grid->setNavOptions('del',array("closeAfterDel"=>true,"reloadAfterSubmit"=>true));
// Enjoy

$grid->tarns = false;

$grid->renderGrid('#grid','#pager',true, null, null, true,true);
$conn = null;
?>