Kendo Grid and Chart

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.rtl.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.dataviz.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.dataviz.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2015.1.408/styles/kendo.mobile.all.min.css">
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://cdn.kendostatic.com/2015.1.408/js/kendo.all.min.js"></script>
<select id="CategoryOption" style="width: 100px;">
    <option>Main</option>
    <option>Secondary</option>
</select> <br><br><br><br><br><br>
<select id="MainCategory" style="width: 90%;"></select>

JavaScript

createCategoryOption("#CategoryOption");
createMainCategory("#MainCategory", "Name", "ID");

function createCategoryOption(divID1)
{
    $(divID1).kendoComboBox({
        change: function (e) {
        alert('somevalue');
            SetSelectServicesText();
        }
    });
}

function createMainCategory(usersDiv, textField, valueField, remove) 
{
    var mc = $("#MainCategory");
    
    if (remove)
    {
        // Destroys the widget
        mc.data("kendoMultiSelect").destroy();
        
        // Get the widget wrapper element structure
        var p = mc.closest(".k-widget");
        
        // Detache the #MainCategory from the wrapper structure
        mc = mc.empty().detach();
        
        // Remove the wrapper structure
        p.remove();
        
        // Append the #MainCategory to the body again
        $('body').append(mc);
    }
    
    $("#MainCategory").kendoMultiSelect({
        dataSource: [
            { Name: "Parent1", ID: 1, Name2: "Child1" },
            { Name: "Parent2", ID: 2, Name2: "Child2" }
        ],
        dataTextField: textField,
        dataValueField: valueField
    });
}

function SetSelectServicesText()
{
    if($("#CategoryOption").data("kendoComboBox").value() == "Main")
    {
        createMainCategory("#MainCategory", "Name", "ID", true);
    }
    else
    {
        createMainCategory("#MainCategory", "Name2", "ID", true);
    }
}