Enable the file upload in ck-editor using C#

==========Add the following script in head tag================

  <script type="text/javascript" language="javascript">
    $(function () {
        CKEDITOR.replace('<%=CKEditorControl1.ClientID %>', { filebrowserImageUploadUrl: 'Upload.ashx' });
    });
  </script>
=========Create ASHX handler page for uploading=================
<%@ WebHandler Language="C#" Class="Upload" %>

 using System;
using System.Web;

 public class Upload : IHttpHandler {
    
    public void ProcessRequest (HttpContext context) {
        databaseprocess db = new databaseprocess();        
        string appLink = "Web Site URL";
        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 = "";
         url =  appLink + "/images/" + file;         
        context.Response.Write("<script>window.parent.CKEDITOR.tools.callFunction(" + CKEditorFuncNum + ", \"" + url + "\");</script>");
        context.Response.End();  
    }

    public bool IsReusable {
        get {
            return false;
        }
    }

}

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