$(document).ready(function () {
   //render and initialize kendoSpreadsheet:
   $("#spreadsheet").kendoSpreadsheet({
        columns: 20,
        rows: 200,
        toolbar: true,
        sheetsbar: true,
        sheets: mySheets,
        width: "100%"
   });
    
   //render and initialize kendoButton:
   $("#load-new-sheet-btn").kendoButton({
                icon: "forward",
                themeColor: "primary",
                click: swapSheets // want to render new set of sheets. Is this possible?
    });
 });

 //assign a different JavaScript object to the sheets: option parameter (this doesn't seem to refresh the spreadsheet component/control:
 function swapSheets() 
 {
     var currSpreadSheet = $("#spreadsheet").data("kendoSpreadsheet");

     console.log("BEFORE clearing sheets: currentSpreadSheet contents: ",  currSpreadSheet.options.sheets)
     currSpreadSheet.options.sheets = mySheetsTwo;

     console.log("AFTER clearing  sheets: currentSpreadSheet contents: ", currSpreadSheet.options.sheets);
     currSpreadSheet.refresh();
 }

<textarea id="editor"></textarea>
<script>
$("#editor").kendoEditor({ tools: [
    "bold", "italic", "underline", "fontName", "fontSize"
  ]});

var editor = $("#editor").data("kendoEditor");

$(editor.body).focus(function (e) {
    editor.exec("fontName", { value: "Tahoma" });
    editor.exec("fontSize", { value: "10pt" });
    var content = editor.value();
    
    if (content.indexOf('<p') !== 0)
        editor.value('<p>'+ content +'</p>');

    console.log(editor.value());
    console.log(editor.body.innerHTML);
});

</script>

<form id="frmEmployee" method="post">
    <div class="control-grid">
        <div class="col-1-label">
            @Html.LabelFor(m => m.Id, "Employee Id: ")
        </div>
        <div class="col-1-control">
            @Html.Kendo().TextBoxFor(m => m.Id).HtmlAttributes(new { @readonly = "", @required = "", @validationMessage = "Id is required" })
        </div>

        <div class="col-2-label">
            @Html.LabelFor(m => m.FirstName, "First Name: ")
        </div>
        <div class="col-2-control">
            @Html.Kendo().TextBoxFor(m => m.FirstName).HtmlAttributes(new { @required = "", @validationMessage = "First Name is required" })
        </div>

        <div class="col-3-label">
            @Html.LabelFor(m => m.LastName, "Last Name: ")
        </div>
        <div class="col-3-control">
            @Html.Kendo().TextBoxFor(m => m.LastName).HtmlAttributes(new { @required = "", @validationMessage = "Last Name is required" })
        </div>

        <div class="col-1-label">
            @Html.LabelFor(m => m.MiddleName, "Middle Name: ")
        </div>
        <div class="col-1-control">
            @Html.Kendo().TextBoxFor(m => m.MiddleName)
        </div>

        <div class="col-2-label">
            @Html.LabelFor(m => m.PreferredName, "Preferred Name: ")
        </div>
        <div class="col-2-control">
            @Html.Kendo().TextBoxFor(m => m.PreferredName)
        </div>

        <div class="col-3-label">
            @Html.LabelFor(m => m.Email, "Email: ")
        </div>
        <div class="col-3-control">
            @Html.Kendo().TextBoxFor(m => m.Email).HtmlAttributes(new { @required = "", @validationMessage = "Email is required" })
        </div>

        <div class="col-1-label">
            @Html.LabelFor(m => m.HireDate, "Hire Date: ")
        </div>
        <div class="col-1-control">
            @Html.Kendo().DatePickerFor(m => m.HireDate).HtmlAttributes(new { @required = "", @validationMessage = "Hire Date is required" })
        </div>

        <div class="col-2-label">
            @Html.LabelFor(m => m.IsTerminated, "Terminated: ")
        </div>
        <div class="col-2-control">
            @Html.Kendo().CheckBoxFor(m => m.IsTerminated)
        </div>

        <div class="col-3-label">
            @Html.LabelFor(m => m.TerminationDate, "Termination Date: ")
        </div>
        <div class="col-3-control">
            @Html.Kendo().DatePickerFor(m => m.TerminationDate)
        </div>

        <div style="display: none;">
            @Html.Kendo().DatePickerFor(m => m.CreatedDate)
        </div>
    </div>
</form>

    $(document).ready(function ()
    {
        $("#frmEmployee").kendoValidator();
    });

let validator = $('#frmEmployee').kendoValidator().data('kendoValidator');

if (validator.validate())
{
   // ...
}