Import and Export Excel file in ASP .NET Core 3.1 razor page

ImportExport.cshtml

<form asp-controller="Home" asp-action="Export">
    <div class="container">
        <div class="row">
            <div class="col-md-4">
                <input type="file" id="fileupload" name="files" class="form-control" />
            </div>
            <div class="col-md-3">
                <input type="button" name="Upload" value="Upload" id="btnupload" class="btn btn-primary" />
                <a href="@Url.Action("Download", "Home")">Download</a>
            </div>
            <div class="col-md-5">
                <input type="submit" name="Export" value="Create and Export" id="btnExport"
                       class="btn btn-primary" asp-action="Export" />
            </div>
        </div>
        <div class="clearfix">&nbsp;</div>
        <div class="row">
            <div id="divPrint"></div>
        </div>
    </div>
</form>