<div class="row col-md-12">
                    <div class="col-md-10">
                        <div class="form-group">
                            @Html.LabelFor(model => model.files, htmlAttributes: new { @class = "control-label col-md-4" })
                            <div class="col-md-8">
                                @(Html.Kendo().Upload()
                                    .Name("files")
                                    .Validation(validation => validation
                                    .AllowedExtensions(new string[] { ".pdf", ".txt", ".xlsx", ".xls", ".doc", ".docx" })
                                    .MaxFileSize(15728640)
                                    .MinFileSize(3000))
                                    .ShowFileList(true)
                                    .HtmlAttributes(new { aria_label = "files" })
                                )
                                @Html.ValidationMessageFor(model => model.files, "", new { @class = "text-danger" })
                            </div>
                        </div>
                    </div>
                </div>

viewmodel class

[Display(Name = "Upload relevant documents")]
public IEnumerable<HttpPostedFileBase> files { get; set; }








foreach (var file in vm.files)
{
       byte[] document = new byte[file.ContentLength];
       file.InputStream.Read(document, 0, file.ContentLength);

       RLADOCUMENT rd = new RLADOCUMENT
       {
           RLAFORMID = (int)entity.ID,
           DOCUMENTNAME = file.FileName,
           CONTENTTYPE = file.ContentType,
           DOCUMENTSIZE = document.Length,
           DOCUMENTDATA = document,
           CREATEDBY = Environment.UserName,
           CREATEDDATE = DateTime.Now,
           EXTENSION = Path.GetExtension(file.FileName)
       };
       _context.RLADOCUMENTS.Add(rd);
       _context.SaveChanges();
}

<div class="row row-cols-lg-auto gx-3 gy-2 align-items-baseline mt-2">
    <div class="col">
        <h4>Choose File</h4>
        <!-- upload a file -->
        @(Html.Kendo().Upload()
            .Name("files")
            .Multiple(false)
            .ShowFileList(false)
            .Async(_ => _
                .Save("SubmitFile", "DataImport", new { Area = "Admin" })
                .Batch(true)
                .AutoUpload(true)
            )
            .Events(_ => _
                .Upload("onUpload")
                .Success("onUploadSuccess")
                .Error("onUploadFail")
            )
            .Validation(_ => _
                .AllowedExtensions(new string[] { "xls", "xlsx", "csv" })
                .MaxFileSize(3145728)
            )
        )
    </div>
</div>

<form id="frmItem">
    <table class="table table-bordered">
        <thead class="bg-dark text-center text-white">
            <tr>
                <th colspan="2">Add/Modify Item</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td style="width:404px;">Item ID Name</td>
                <td>
                    @(Html.Kendo().TextBox().Name("txtItemName")
                        .HtmlAttributes(new { placeholder = "Item ID Name", required = "required", validationmessage = "Enter Item ID Name" }))
                </td>
            </tr>
            <tr>
                <td>UN Number</td>
                <td>
                    @(Html.Kendo().TextBox().Name("txtUnNumber")
                        .HtmlAttributes(new { placeholder = "UN Number", required = "required", validationmessage = "Enter UN Number" }))
                </td>
            </tr>
            <tr>
                <td>Packing Instructions</td>
                <td>
                    @(Html.Kendo().TextBox().Name("txtPackingInstructions")
                        .HtmlAttributes(new { placeholder = "Packing Instructions", required = "required", validationmessage = "Enter Packing Instructions" }))
                </td>
            </tr>
            <tr>
                <td>SDS Sheet</td>
                <td>
                    @(Html.Kendo().Upload().Name("SdsSheet")
                        .Multiple(false)
                        .HtmlAttributes(new { required = "required" }))
                </td>
            </tr>
            <tr>
                <td>Cargo Only?</td>
                <td>@(Html.Kendo().CheckBox().Name("txtCargoOnly"))</td>
            </tr>
            <tr>
                <td>Example Shipment Ground (Fully Regulated)</td>
                <td>@(Html.Kendo().Upload().Name("GroundShipment"))</td>
            </tr>
            <tr>
                <td>Example Shipment Next Day Air (Fully Regulated)</td>
                <td>@(Html.Kendo().Upload().Name("NextDayShipment"))</td>
            </tr>
            <tr>
                <td>Example Shipment Freight (Fully Regulated)</td>
                <td>@(Html.Kendo().Upload().Name("FreightShipment"))</td>
            </tr>
            <tr>
                <td>Example Shipment Ground (Limited Quantity)</td>
                <td>@(Html.Kendo().Upload().Name("GroundShipmentLimited"))</td>
            </tr>
            <tr>
                <td>Example Shipment Next Day Air (Limited Quantity)</td>
                <td>@(Html.Kendo().Upload().Name("NextDayShipmentLimited"))</td>
            </tr>
            <tr>
                <td>Example Shipment Freight (Limited Quantity)</td>
                <td>@(Html.Kendo().Upload().Name("FreightShipmentLimited"))</td>
            </tr>
            <tr>
                <td colspan="2">
                    <button class="k-button k-button-solid-primary k-button-solid k-button-md k-rounded-md" type="submit">Submit</button>
                </td>
            </tr>
        </tbody>
    </table>
</form>
<script>
    $(document).ready(function () {
        var validator = $("#frmItem").kendoValidator().data("kendoValidator");

        $("#frmItem").submit(function (event) {
            event.preventDefault();

            if (validator.validate()) {
                
            } else {
                
            }
        });
    });
</script>