How to pass the random number into mail in MVC 5

Question

public ActionResult forgetPass(ChangePasswordModel obj)

{

DemoContext _context = new DemoContext();

User objUser = _context.Users.SingleOrDefault(x => x.EmailID.Equals(obj.CurrentEmail));

if(objUser!=null)

{

Random R = new Random();

int Rend = R.Next(100, 1000);

TempData["GenerateNo"] = Rend;

TempData.Keep();

//ViewBag.Gen = Rend;

//BuildEmailTemplate1(objUser.ID);

try

{

SmtpClient clt = new SmtpClient("smtp.myserver.com", 564);

clt.EnableSsl = true;

clt.Credentials = new NetworkCredential("[email protected]", "@@@123456789T");

clt.Send("[email protected]", objUser.EmailID, "WelCome to the OLX (Online Buying and selling)", "this is the Verification Code that we have send to you for the ");

}

catch(SmtpException ex)

{

// //error me

}

return RedirectToAction("UserProfile");

}

return View();

}