public ActionResult GetDocFile(int LetterId, string FileName, string LetterField, string Content)
        {
            Content = Content.Replace(""", "");
            MemoryStream stream = new MemoryStream();
            OperationDetails op = new OperationDetails();
            if (!Directory.Exists(Server.MapPath("~/Uploads/LetterTemplate")))
            {
                Directory.CreateDirectory(Server.MapPath("~/Uploads/LetterTemplate"));
            }
            string filename = Server.MapPath("~/Uploads/LetterTemplate/" + FileName + ".docx");
            CommonHelper.CommonHelper.DeleteSingleFile(filename);
            string html = Content;
            try
            {
                using (WordprocessingDocument package = WordprocessingDocument.Create(stream, WordprocessingDocumentType.Document))
                {
                    MainDocumentPart mainPart = package.MainDocumentPart;
                    if (mainPart == null)
                    {
                        mainPart = package.AddMainDocumentPart();
                        new Document(new Body()).Save(mainPart);
                    }

                    HtmlConverter converter = new HtmlConverter(mainPart);

                    converter.ParseHtml(html);

                    var body = package.MainDocumentPart.Document.Body;

                    mainPart.Document.Save();
                }

                System.IO.File.WriteAllBytes(filename, stream.ToArray());
                op = objReportingDB.UpdateLetterTemplate(LetterId, FileName, LetterField, LetterId == 0 ? 1 : 2, Content);
                if (op.Success)
                {
                    op.Message = "Letter template saved successfully";
                }
                else
                {
                    op.Message = "Error while saving letter template! ";
                }

            }
            catch (Exception ex)
            {
                op.Success = false;
                op.Message = "Error while saving letter template! ";
            }

            return Json(op, JsonRequestBehavior.AllowGet);
        }