public ActionResult Create(Tender_TongZhi custf, HttpPostedFileBase[] fileToUpload,int id=0)
        {
            //if (ModelState.IsValid)
            //{
            //    tender_tongzhi.CreateDateT = DateTime.Now;
            //    db.Tender_TongZhi.Add(tender_tongzhi);
            //    db.SaveChanges();
            //    return RedirectToAction("Index");
            //}

            //return View(tender_tongzhi);
            if (id == 3)
                return Content("");

            HttpPostedFileBase file = null;
            if (fileToUpload != null)
                file = fileToUpload[0];
            if (file != null && !String.IsNullOrEmpty(file.FileName))
            {
                custf.CustFile = DateTime.Now.ToString("yyyyMMdd") + Guid.NewGuid().ToString("N");
                Directory.CreateDirectory(Path.Combine(System.Web.Configuration.WebConfigurationManager.AppSettings["AttachmentRootPath"], (custf.CustFile.Substring(0, 4) + @"\" + custf.CustFile.Substring(4, 4) + @"\")));
                file.SaveAs(Path.Combine(System.Web.Configuration.WebConfigurationManager.AppSettings["AttachmentRootPath"], (custf.CustFile.Substring(0, 4) + @"\" + custf.CustFile.Substring(4, 4) + @"\" + custf.CustFile.Substring(8))));
                GenericDataAccess.UpdateBySql("Insert into YZAppAttachment(FileID,Name,Ext,Size,OwnerAccount) values(@FileID,@Name,@Ext,@Size,@OwnerAccount)", new string[,] {
                    { "@FileID",custf.CustFile,"DbType.String",null },
                    { "@Name",Path.GetFileName(file.FileName),"DbType.String",null },
                    { "@Ext",Path.GetExtension(file.FileName),"DbType.String",null },
                    { "@Size",file.ContentLength.ToString(),"DbType.Int32",null },
                    { "@OwnerAccount","0","DbType.String",null } });
                custf.CustName = Path.GetFileName(file.FileName);

            }

            custf.CreateDateT = System.DateTime.Now;

            db.Tender_TongZhi.Add(custf);
            db.SaveChanges();
            //string fPath = @"D://myupload/" + file.FileName;
            //file.SaveAs(fPath);
            //string custT="nul";
            //if(custf!=null)
            //{
            //    custT = custf.CustText;
            //}
            return Content("保存成功");
        }
 public ActionResult Edit(Tender_TongZhi tender_tongzhi)
 {
     if (ModelState.IsValid)
     {
         Tender_TongZhi ttz = db.Tender_TongZhi.Find(tender_tongzhi.TZID);
         //tender_tongzhi.CreateDateT = ttz.CreateDateT;
         //tender_tongzhi.CustFile = ttz.CustFile;
         //tender_tongzhi.CustName = ttz.CustName;
         ttz.TitleT = tender_tongzhi.TitleT;
         ttz.ContentT = tender_tongzhi.ContentT;
         db.Entry(ttz).State = EntityState.Modified;
         db.SaveChanges();
         return Content("修改成功!");
     }
     return Content("修改失败!");
 }