obj getting value null but when Debugg Line It Showing value

// Getting Null but during debugging it show me value of Username and password but not traversing value to var obj ... 

 

var obj = Db.UserProfiles.Where(a => a.UserName.Equals(objUser.UserName) && a.Password.Equals(objUser.Password)).FirstOrDefault();

 

public ActionResult Login(UserProfile objUser)

{

{

if(ModelState.IsValid)

{

using (SessionEntities Db = new SessionEntities())

{

var obj = Db.UserProfiles.Where(a => a.UserName.Equals(objUser.UserName) && a.Password.Equals(objUser.Password)).FirstOrDefault();

if (obj != null)

{

Session["UserId"] = obj.UserId.ToString();

Session["UserName"] = obj.UserName.ToString();

return RedirectToAction("UserDashBoard");

}

}

return View(objUser);

}

else

{

return RedirectToAction("Login");

}

}

}