Sitefinity Ecommerce CSV Upload Widget

CsvUploader.ascx

<%@ control language="C#" autoeventwireup="true" codebehind="CsvUploader.ascx.cs"
    inherits="SitefinityWebApp.ProductsUpload.CsvUploader" %>
<h1 class="sfBreadCrumb" id="sfToMainContent">
    <span>Product Upload:</span></h1>
<div class="sfMain sfClearfix">
    <div class="sfContent">
        <div class="sfAllToolsWrapper">
            <div class="sfAllTools">
                <%--<ul id="commandButtons" class="sfActions">
                    <li class="sfMainAction"></li>
                </ul>--%>
            </div>
        </div>
        <div class="sfWorkArea">
            <div id="messageControl" runat="server" class="sfMessage sfGridViewMessage">
            </div>
            <div>
                <h2>
                    Upload Csv File</h2>
                <br />
                <br />
                <asp:fileupload id="FileUpload1" runat="server" />
                <asp:requiredfieldvalidator id="rq4" runat="server" controltovalidate="FileUpload1"
                    errormessage="* Required" forecolor="Red" setfocusonerror="true" display="Dynamic"
                    validationgroup="UploadCSV"></asp:requiredfieldvalidator>
                <asp:regularexpressionvalidator id="regexValidator" runat="server" controltovalidate="FileUpload1"
                    errormessage="Only CSV file is allowed" validationgroup="UploadCSV" validationexpression="(.*\.([Cc][Ss][Vv])$)">
                </asp:regularexpressionvalidator>
                <br />
                <br />
                <asp:button id="btnUpload" runat="server" validationgroup="UploadCSV" text="Submit"
                    cssclass="RadUploadSubmit" onclick="btnUpload_Click" />
            </div>
        </div>
    </div>
</div>

CsvUploader.ascx.cs

// Sitefinity Ecommerce Import products from CSV file.
// make sure you have created a folder called upload in the root of your web site
// you must also be logged-in to the Sitefinity backend for this product importer to work. 
// You must also have CSVHelper package installed.  Install Nuget http://nuget.codeplex.com into Visual Studio as an extension

using System;
using System.Linq;
using System.Web.UI;
using Telerik.Sitefinity.Samples.Ecommerce.ProductUpload.Util;
using Telerik.Sitefinity.Samples.Ecommerce.ProductUpload;

namespace SitefinityWebApp.ProductsUpload
{
    public partial class CsvUploader : UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btnUpload_Click(object sender, EventArgs e)
        {
            UploadCsvFileAndTriggerProductImport();
        }
        
        private void UploadCsvFileAndTriggerProductImport()
        {
            string filePath = UploadFileAndGetFilePath();

            UploadManager uploadManager = new UploadManager(new UploadConfig { NumberOfColumns = 11 });

            uploadManager.ImportProductsFromCsvFile(filePath);
        }
  
        private string UploadFileAndGetFilePath()
        {
            string folderPath = Server.MapPath("~/Upload");

            IoHelper.ValidateFolderExsistence(folderPath);

            string filePath = folderPath + @"\" + FileUpload1.FileName.ToString();

            IoHelper.ValidateFileExsistence(filePath);

            FileUpload1.SaveAs(filePath);

            return filePath;
        }

    }
}

CsvUploader.ascx.designer.cs

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated. 
// </auto-generated>
//------------------------------------------------------------------------------

namespace SitefinityWebApp.ProductsUpload {
    
    
    public partial class CsvUploader {
        
        /// <summary>
        /// messageControl control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.HtmlControls.HtmlGenericControl messageControl;
        
        /// <summary>
        /// FileUpload1 control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.FileUpload FileUpload1;
        
        /// <summary>
        /// rq4 control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.RequiredFieldValidator rq4;
        
        /// <summary>
        /// regexValidator control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.RegularExpressionValidator regexValidator;
        
        /// <summary>
        /// btnUpload control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.WebControls.Button btnUpload;
    }
}

ProductImport.csv