How to store and retrive image using string data type

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ASP.NET

MVC5

here is my regitration model :-

public class RegisterViewModel
   {
       [Required]
       [EmailAddress]
       [Display(Name = "Email")]
       public string Email { get; set; }
       public string FirstName { get; set; }
       [Required]
       public string MiddleName { get; set; }
       [Required]
       public string LastName { get; set; }
       [Required]
       public string Gender { get; set; }
       [Required]
       [DataType(DataType.Date)]
       public string DOB { get; set; }
       public string Profile { get; set; }
       [Required]
       [RegularExpression("^[0-9]{12}$")]
       public decimal Mobile { get; set; }
       [Required]
       public string Address { get; set; }
       [Required]

       public string City { get; set; }
       [Required]

       public string State { get; set; }


       [Required]
       [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
       [DataType(DataType.Password)]
       [Display(Name = "Password")]
       public string Password { get; set; }

       [DataType(DataType.Password)]
       [Display(Name = "Confirm password")]
       [Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
       public string ConfirmPassword { get; set; }
   }

here :-

public string Profile { get; set; }

is the property where i want to store the path of image

here is my controller :-

private ApplicationDbContext db = new ApplicationDbContext();

       // GET: /Account/Register
       [AllowAnonymous]
       public ActionResult Register()
       {
           ViewBag.state = db.allofstate.Select(C => new SelectListItem
           {
               Value = C.States,
               Text = C.States
           }).ToList();
           return View();
       }

       //
       // POST: /Account/Register
       [HttpPost]
       [AllowAnonymous]
       [ValidateAntiForgeryToken]
       public async Task<ActionResult> Register(RegisterViewModel model)
       {
           if (ModelState.IsValid)
           {
               var user = new ApplicationUser { UserName = model.Email, Email = model.Email, FirstName = model.FirstName, MiddleName = model.MiddleName, LastName = model.LastName, Gender = model.Gender, DOB = model.DOB, Profile = model.Profile, Mobile = model.Mobile, Address = model.Address, City = model.City, State = model.State };
               var result = await UserManager.CreateAsync(user, model.Password);
               using (ApplicationDbContext db = new ApplicationDbContext())

               if (result.Succeeded)
               {
                   await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);

                   // For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
                   // Send an email with this link
                   // string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
                   // var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
                   // await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");

                   return RedirectToAction("Index", "Home");
               }
               AddErrors(result);
           }

           // If we got this far, something failed, redisplay form
           return View(model);
       }

What I have tried:

i have tried with using byte but i want to store images path

because i want to retrive that image when perticular user logs in