htmleditorextender image insert problem....

hi all

i want to insert image in htmleditorextender but went i select an image to upload 

this erroris showing 

Could not find a part of the path 'C:\Users\Shival\AppData\Local\Temp\_AjaxFileUpload\F22108EA-7F12-EE1B-722B-6FE59C337B3D\'.

here is the code i am using

Design<asp:htmleditorextender ID="htmlEditorExtender1" EnableSanitization="false"   OnImageUploadComplete="Upload_Image"
        TargetControlID="News" runat="server" ><Toolbar><asp:Undo /><asp:Redo /><asp:Bold /><asp:Italic /><asp:Underline /><asp:StrikeThrough /><asp:Subscript /><asp:Superscript /><asp:JustifyLeft /><asp:JustifyCenter /><asp:JustifyRight /><asp:JustifyFull /><asp:InsertOrderedList /><asp:InsertUnorderedList  /><asp:CreateLink /><asp:UnLink /><asp:RemoveFormat /><asp:SelectAll /><asp:UnSelect /><asp:Delete /><asp:Cut /><asp:Copy /><asp:Paste /><asp:BackgroundColorSelector /><asp:ForeColorSelector /><asp:FontNameSelector /><asp:FontSizeSelector /><asp:Indent /><asp:Outdent /><asp:InsertHorizontalRule /><asp:HorizontalSeparator /><asp:InsertImage /></Toolbar></asp:htmleditorextender>





Cs



using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using AjaxControlToolkit;

public partial class Admin_Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        var ajaxFileUpload =htmlEditorExtender1.AjaxFileUpload;
        
        ajaxFileUpload.AllowedFileTypes = "jpg,jpeg";

    }

    protected void Upload_Image(object sender, AjaxFileUploadEventArgs e)
    {
        // Generate file path
        string filePath = "~/News_Images/" + e.FileName;

        // Save uploaded file to the file system
        var ajaxFileUpload = (AjaxFileUpload)sender;
        ajaxFileUpload.SaveAs(MapPath(filePath));

        // Update client with saved image path
        e.PostedUrl = Page.ResolveUrl(filePath);
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        string Content = News.Text;
    }
}

Please help to figure this out...