Upload.ashx

<%@ WebHandler Language="C#" Class="Upload" %>

using System;
using System.Web;

public class Upload : IHttpHandler {

    public void ProcessRequest(HttpContext context)
    {

        HttpPostedFile uploads = context.Request.Files["upload"];

        string CKEditorFuncNum = context.Request["CKEditorFuncNum"];

        string file = System.IO.Path.GetFileName(uploads.FileName);

        uploads.SaveAs(context.Server.MapPath(".") + "\\Images\\" + file);

        string url = "/CKeditorDemo/Images/" + file;

        context.Response.Write("<script>window.parent.CKEDITOR.tools.callFunction(" + CKEditorFuncNum + ", \"" + url + "\");</script>");

        context.Response.End();

    }



    public bool IsReusable
    {

        get
        {

            return false;

        }

    }

}