Error with colModel object in jqGrid Filter Toolbar: null or undefined issue

If you're looking to create a filter for the jqGrid toolbar, it should be a simple process. You can refer to the "new in 3.5, integrated search toolbar" example or check out the documentation here and here.

However, I've been encountering an error every time I run the line

myDataTable.jqGrid('filterToolbar', filterOpts);
. The error message reads: "Unable to get value of the property 'colModel': object is null or undefined" in line 3613 of JQuery.jqGrid.src.js, which is:
$.each($t.p.colModel,function(i,n) { ..

For reference, I am using jqGrid version 4.1.2 and the grid itself seems to be displaying and functioning correctly.

Here is the code snippet where I initialize the grid. I suspect I may be overlooking something quite simple.

    var ft = document.getElementById("myData"); // this refers to the HTML table element
    var colModel = [
    { name: 'i', index: 'i', width: 60, hidden: true, search: false },
    { name: 'c', index: 'c', width: 100, search: true },
    { name: 'p', index: 'p', width: 100, search: true },
    { name: 'displayed', index: 'displayed', align: 'center', width: 100, formatter: booleanToCheckmark, search: false },
];
    $(function() {
        $(ft).jqGrid({
                datatype: 'clientSide',
                data: globals.myData,
                height: 300,
                width: 300,
                forceFit: true,
                colNames: ['I', 'C', 'P', 'dis.'],
                colModel: colModel,
                rowNum: 10000,
                sortname: 'displayed',
                sortorder: 'desc',
                viewrecords: true,
                gridview: true,
                caption: 'XYZ'
            });
    });

    var filterOpts = { autosearch: true };

    // The following line is where the issue occurs
    $(ft).jqGrid('filterToolbar', filterOpts);

Answer №1

An issue arises when attempting to execute the filterToolbar function outside of the

$(function() {/*it should be called here*/});
block.

It is advisable to keep all code within the $(function() {...}); structure in order to minimize the number of global variables being added as properties to window. Using global variables can increase the likelihood of conflicts with other standard global variables.

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