public abstract class Entity : IHaveTrackingState
{
    public long Id { get; set; }
    [NotMapped] public TrackingState TrackingState { get; set; }
}

public class Master : Entity
{
    public string Title { get; set; }
    public ICollection<Detail> Details { get; set; }
}

public class Detail : Entity
{
    public string Title { get; set; }

    public ICollection<DetailOfDetail> Details { get; set; }
    public Master Master { get; set; }
    public long MasterId { get; set; }
}

public class DetailOfDetail : Entity
{
    public string Title { get; set; }
    public Detail Detail { get; set; }
    public long DetailId { get; set; }
}

public abstract class Model : IHaveTrackingState
{
    public long Id { get; set; }
    public TrackingState TrackingState { get; set; }
}

public class MasterModel : Model
{
    public string Title { get; set; }
    public ICollection<DetailModel> Details { get; set; }
}

public class DetailModel : Model
{
    public string Title { get; set; }
    public ICollection<DetailOfDetailModel> Details { get; set; }
}

public class DetailOfDetailModel : Model
{
    public string Title { get; set; }
}

Mapper.Initialize(expression =>
{
    expression.CreateMap<MasterModel, Master>(MemberList.None).ReverseMap();
    expression.CreateMap<DetailModel, Detail>(MemberList.None).ReverseMap();
    expression.CreateMap<DetailOfDetailModel, DetailOfDetail>(MemberList.None).ReverseMap();
});

var masterModel = new MasterModel
    {
        Title = "Master-Title",
        TrackingState = TrackingState.Added,
        Details = new List<DetailModel>
        {
            new DetailModel
            {
                Title = "Detail-Title",
                TrackingState = TrackingState.Added,
                Details = new List<DetailOfDetailModel>
                {
                    new DetailOfDetailModel
                    {
                        Title = "DetailOfDetail-Title",
                        TrackingState = TrackingState.Added,
                    }
                }
            }
        }
    };

using (var context = new ProjectDbContext())
{
    Console.WriteLine("################ Create Master and Details and DetailsOfDetail ##################");
    Print(masterModel);

    var masterEntity = Mapper.Map<Master>(masterModel);

    context.ChangeTracker.TrackGraph(
        masterEntity,
        n =>
        {
            var entity = (IHaveTrackingState) n.Entry.Entity;
            n.Entry.State = entity.TrackingState.ToEntityState();
        });

    context.SaveChanges();
}

public static class TrackingStateExtensions
{
    public static EntityState ToEntityState(this TrackingState trackingState)
    {
        switch (trackingState)
        {
            case TrackingState.Added:
                return EntityState.Added;

            case TrackingState.Modified:
                return EntityState.Modified;

            case TrackingState.Deleted:
                return EntityState.Deleted;

            case TrackingState.Unchanged:
                return EntityState.Unchanged;

            default:
                return EntityState.Unchanged;
        }
    }

    public static TrackingState ToTrackingState(this EntityState state)
    {
        switch (state)
        {
            case EntityState.Added:
                return TrackingState.Added;

            case EntityState.Modified:
                return TrackingState.Modified;

            case EntityState.Deleted:
                return TrackingState.Deleted;

            case EntityState.Unchanged:
                return TrackingState.Unchanged;

            default:
                return TrackingState.Unchanged;
        }
    }
}

using (var context = new ProjectDbContext())
{
    Console.WriteLine(
        "################ Unchanged Master and Modified Details and Deleted DetailsOfDetail ##################");
    Print(masterModel);

    var masterEntity = Mapper.Map<Master>(masterModel);

    context.ChangeTracker.TrackGraph(
        masterEntity,
        n =>
        {
            var entity = (IHaveTrackingState) n.Entry.Entity;
            n.Entry.State = entity.TrackingState.ToEntityState();
        });

    context.SaveChanges();
}

public class MasterValidator : AbstractValidator<MasterModel>
{
    public MasterValidator()
    {
        RuleFor(a => a.Title).NotEmpty();
        RuleForEach(a => a.Details).SetValidator(new DetailValidator());
    }
}

public class DetailValidator : AbstractValidator<DetailModel>
{
    public DetailValidator()
    {
        RuleFor(a => a.Title).NotEmpty();
        RuleForEach(a => a.Details).SetValidator(new DetailOfDetailValidator());
    }
}

public class DetailOfDetailValidator : AbstractValidator<DetailOfDetailModel>
{
    public DetailOfDetailValidator()
    {
        RuleFor(a => a.Title).NotEmpty();
    }
}

Update-Database

using System;
using Iris.Servicelayer.Interfaces;
using Microsoft.AspNet.Identity;
using Microsoft.Owin;
using Microsoft.Owin.Security.Cookies;
using Microsoft.Owin.Security.DataProtection;
using Owin;
using StructureMap;

namespace Iris.Web
{
    public class Startup
    {
        public void Configuration(IAppBuilder app)
        {
            configureAuth(app);
        }

        private static void configureAuth(IAppBuilder app)
        {
            ObjectFactory.Container.Configure(config =>
            {
                config.For<IDataProtectionProvider>()
                      .HybridHttpOrThreadLocalScoped()
                      .Use(() => app.GetDataProtectionProvider());
            });

            //ObjectFactory.Container.GetInstance<IApplicationUserManager>().SeedDatabase();

            // Enable the application to use a cookie to store information for the signed in user
            // and to use a cookie to temporarily store information about a user logging in with a third party login provider
            // Configure the sign in cookie
            app.UseCookieAuthentication(new CookieAuthenticationOptions
            {
                AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
                LoginPath = new PathString("/Account/Login"),
                Provider = new CookieAuthenticationProvider
                {
                    // Enables the application to validate the security stamp when the user logs in.
                    // This is a security feature which is used when you change a password or add an external login to your account.
                    OnValidateIdentity = ObjectFactory.Container.GetInstance<IApplicationUserManager>().OnValidateIdentity()
                }
            });
            app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie);

            // Enables the application to temporarily store user information when they are verifying the second factor in the two-factor authentication process.
            app.UseTwoFactorSignInCookie(DefaultAuthenticationTypes.TwoFactorCookie, TimeSpan.FromMinutes(5));

            // Enables the application to remember the second login verification factor such as phone or email.
            // Once you check this option, your second step of verification during the login process will be remembered on the device where you logged in from.
            // This is similar to the RememberMe option when you log in.
            app.UseTwoFactorRememberBrowserCookie(DefaultAuthenticationTypes.TwoFactorRememberBrowserCookie);

            app.CreatePerOwinContext(
               () => ObjectFactory.Container.GetInstance<IApplicationUserManager>());

            // Uncomment the following lines to enable logging in with third party login providers
            //app.UseMicrosoftAccountAuthentication(
            //    clientId: "",
            //    clientSecret: "");

            //app.UseTwitterAuthentication(
            //   consumerKey: "",
            //   consumerSecret: "");

            //app.UseFacebookAuthentication(
            //   appId: "",
            //   appSecret: "");

            //app.UseGoogleAuthentication(
            //    clientId: "",
            //    clientSecret: "");

        }
    }
}

public interface IHasRowIntegrity
{
    string Hash { get; set; }
}

internal sealed class RowIntegrityHook : PostActionHook<IHasRowIntegrity>
{
    public override string Name => HookNames.RowIntegrity;
    public override int Order => int.MaxValue;
    public override EntityState HookState => EntityState.Unchanged;

    protected override void Hook(IHasRowIntegrity entity, HookEntityMetadata metadata, IUnitOfWork uow)
    {
        metadata.Entry.Property(EFCore.Hash).CurrentValue = uow.EntityHash(entity);
    }
}

//DbContextCore : IUnitOfWork

public string EntityHash<TEntity>(TEntity entity) where TEntity : class
{
    var row = Entry(entity).ToDictionary(p => p.Metadata.Name != EFCore.Hash &&
                                              !p.Metadata.ValueGenerated.HasFlag(ValueGenerated.OnUpdate) &&
                                              !p.Metadata.IsShadowProperty());
    return EntityHash<TEntity>(row);
}

protected virtual string EntityHash<TEntity>(Dictionary<string, object> row) where TEntity : class
{
    var json = JsonConvert.SerializeObject(row, Formatting.Indented);
    using (var hashAlgorithm = SHA256.Create())
    {
        var byteValue = Encoding.UTF8.GetBytes(json);
        var byteHash = hashAlgorithm.ComputeHash(byteValue);
        return Convert.ToBase64String(byteHash);
    }
}

services.AddEFCore<ProjectDbContext>()
    .WithTrackingHook<long>()
    .WithDeletedEntityHook()
    .WithRowLevelSecurityHook<long>()
    .WithRowIntegrityHook()
    .WithNumberingHook(options =>
    {
        options.NumberedEntityMap[typeof(Task)] = new NumberedEntityOption
        {
            Prefix = "Task",
            FieldNames = new[] {nameof(Task.BranchId)}
        };
    });

class Program
{
    public static void Main(string[] args)
    {
        DebuggerStepThroughMethod1();
    }

    [DebuggerStepThrough]
    public static void DebuggerStepThroughMethod1()
    {
        Console.WriteLine( "Method 1" );
        DebuggerStepThroughMethod2();
    }

    [DebuggerStepThrough]
    public static void DebuggerStepThroughMethod2()
    {
        Console.WriteLine( "Method 2" );
    }
}

class Program
{
    public static void Main(string[] args)
    {
        DebugMode();
    }

    [Conditional("DEBUG")]
    public static void DebugMode()
    {
        Console.WriteLine( "Debug mode" );
    }
}

using System;

namespace MvcApplication7.Models
{
    public class User
    {
        public int Id { set; get; }
        public string Name { set; get; }
        public string Password { set; get; }
        public DateTime AddDate { set; get; }
        public bool IsAdmin { set; get; }
    }
}

using System;
using System.Collections.Generic;

namespace MvcApplication7.Models
{
    public class Users
    {
        public IList<User> CreateInMemoryDataSource()
        {
            return new[]
            {
                new User { Id = 1, Name = "User1", Password = "123", IsAdmin = false, AddDate = DateTime.Now },
                new User { Id = 2, Name = "User2", Password = "456", IsAdmin = false, AddDate = DateTime.Now },
                new User { Id = 3, Name = "User3", Password = "789", IsAdmin = true, AddDate = DateTime.Now }
            };
        }
    }
}

using System;
using System.Linq;
using System.Web.Mvc;
using MvcApplication7.Models;

namespace MvcApplication7.Controllers
{
    public class UserController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var usersList = new Users().CreateInMemoryDataSource();
            return View(usersList); // Shows the Index view.
        }

        [HttpGet]
        public ActionResult Details(int id)
        {
            var user = new Users().CreateInMemoryDataSource().FirstOrDefault(x => x.Id == id);
            if (user == null)
                return View("Error");
            return View(user); // Shows the Details view.
        }

        [HttpGet]
        public ActionResult Create()
        {
            var user = new User { AddDate = DateTime.Now };
            return View(user); // Shows the Create view.
        }

        [HttpPost]
        public ActionResult Create(User user)
        {
            if (this.ModelState.IsValid)
            {
                // todo: Add record
                return RedirectToAction("Index");
            }
            return View(user); // Shows the Create view again.
        }

        [HttpGet]
        public ActionResult Edit(int id)
        {
            var user = new Users().CreateInMemoryDataSource().FirstOrDefault(x => x.Id == id);
            if (user == null)
                return View("Error");
            return View(user); // Shows the Edit view.
        }

        [HttpPost]
        public ActionResult Edit(User user)
        {
            if (this.ModelState.IsValid)
            {
                // todo: Edit record
                return RedirectToAction("Index");
            }
            return View(user); // Shows the Edit view again.
        }

        [HttpPost]
        public ActionResult Delete(int id)
        {
            // todo: Delete record
            return RedirectToAction("Index");
        }
    }
}

@Html.ActionLink("Delete", "Delete", new { id=item.Id }

@using (Html.BeginForm(actionName: "Delete", controllerName: "User", routeValues: new { id = item.Id }))
{
    <input type="submit" value="Delete" 
              onclick="return confirm ('Do you want to delete this record?');" />
}

@Html.ValidationSummary(true)

ModelState.AddModelError(string.Empty, "There is something wrong with model.");

@Html.EditorFor(model => model.AddDate)
@Html.ValidationMessageFor(model => model.AddDate)

public ActionResult Edit([Bind(Include = "Name, Password")] User user)

[HttpPost]
public ActionResult Edit()
{
    var user = new User();
    if(TryUpdateModel(user, includeProperties: new[] { "Name", "Password" }))
    {                
                // todo: Edit record
                return RedirectToAction("Index");
     }
     return View(user); // Shows the Edit view again.
}

public ActionResult Edit([Bind(Exclude = "IsAdmin")] User user)

using System;
using System.Web.Mvc;

namespace MvcApplication7.Models
{
    [Bind(Exclude = "IsAdmin")]
    public class User
    {
        public int Id { set; get; }
        public string Name { set; get; }
        public string Password { set; get; }
        public DateTime AddDate { set; get; }
        public bool IsAdmin { set; get; }
    }
}

using System;
using System.ComponentModel;

namespace MvcApplication7.Models
{
    public class User
    {
        public int Id { set; get; }
        public string Name { set; get; }
        public string Password { set; get; }
        public DateTime AddDate { set; get; }

        [ReadOnly(true)]
        public bool IsAdmin { set; get; }
    }
}

public class MyViewModel
{
    public SomeDomainModel1 Model1 { get; set; }
    public SomeDomainModel2 Model2 { get; set; }
    ...
}

public class MyViewModel
{
    public string SomeExtraField1 { get; set; }
    public string SomeExtraField2 { get; set; }
    public IEnumerable<SelectListItem> StateSelectList { get; set; }
    // ...
    public string PersonFullName { set; set; }
}

namespace MvcApplication7.Models
{
    public class UserViewModel
    {
        public int Id { set; get; }
        public string Password { set; get; }
    }
}

[HttpGet]
public ActionResult Upload()
{
       return View(); // Shows the upload page
}

[HttpPost]
public ActionResult Upload(System.Web.HttpPostedFileBase file)
{
       string filename = Server.MapPath("~/files/somename.ext");
       file.SaveAs(filename);
       return RedirectToAction("Index");
}

@{
    ViewBag.Title = "Upload";
}
<h2>
    Upload</h2>
@using (Html.BeginForm(actionName: "Upload", controllerName: "User", 
                       method: FormMethod.Post,
                       htmlAttributes: new { enctype = "multipart/form-data" }))
{
    <text>Upload a photo:</text> <input type="file" name="photo" />
    <input type="submit" value="Upload" />
}

using System;
using System.Globalization;
using System.Web.Mvc;

namespace MvcApplication7.Binders
{
    public class PersianDateModelBinder : IModelBinder
    {

        public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
        {
            var valueResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
            var modelState = new ModelState { Value = valueResult };
            object actualValue = null;
            try
            {
                var parts = valueResult.AttemptedValue.Split('/'); //ex. 1391/1/19
                if (parts.Length != 3) return null;
                int year = int.Parse(parts[0]);
                int month = int.Parse(parts[1]);
                int day = int.Parse(parts[2]);
                actualValue = new DateTime(year, month, day, new PersianCalendar());
            }
            catch (FormatException e)
            {
                modelState.Errors.Add(e);
            }

            bindingContext.ModelState.Add(bindingContext.ModelName, modelState);
            return actualValue;
        }
    }
}

ModelBinders.Binders.Add(typeof(DateTime), new PersianDateModelBinder());

public ActionResult Create([ModelBinder(typeof(PersianDateModelBinder))] User user)

[ModelBinder(typeof(PersianDateModelBinder))]
public class User
{

Unrecognised method call: System.String:Boolean StartsWith(System.String)
Unrecognised method call: System.String:Boolean Contains(System.String)

using NHibernate.Validator.Constraints;

namespace NH3Test.MappingDefinitions.Domain
{
  public class Account
  {
      public virtual int Id { get; set; }

      [NotNullNotEmpty]
      [Length(Min = 3, Max = 120, Message = "طول نام باید بین 3 و 120 کاراکتر باشد")]
      public virtual string Name { get; set; }

      [NotNull]
      public virtual int Balance { set; get; }
  }
}

var list = new[]  { 12,10};
var resultList = session.QueryOver<Account>()
                               .WhereRestrictionOn(p => p.Balance)
                               .IsIn(list)
                               .List();

SELECT
      this_.AccountId as AccountId0_0_,
      this_.Name as Name0_0_,
      this_.Balance as Balance0_0_
  FROM
      Accounts this_
  WHERE
      this_.Balance in (
          @p0 /* = 10 */, @p1 /* = 12 */
      )

var accountsContianX = session.QueryOver<Account>()
                                           .WhereRestrictionOn(x => x.Name)
                                           .IsLike("X", NHibernate.Criterion.MatchMode.Anywhere)
                                           .List();

SELECT
      this_.AccountId as AccountId0_0_,
      this_.Name as Name0_0_,
      this_.Balance as Balance0_0_
  FROM
      Accounts this_
  WHERE
      this_.Name like @p0 /* = %X% */

using NHibernate.Criterion;
...
var accountsContianX = session.QueryOver<Account>()
                                           .Where(x => x.Name.IsLike("%X%"))
                                           .List();

using System;
using System.Linq.Expressions;
using NHibernate;
using NHibernate.Criterion;
using NHibernate.Impl;

namespace NH3Test.ConsoleApplication
{
  public static class MyQueryOverExts
  {
      public static bool YearIs(this DateTime projection, int year)
      {
          throw new Exception("Not to be used directly - use inside QueryOver expression");
      }

      public static ICriterion ProcessAnsiYear(MethodCallExpression methodCallExpression)
      {
          string property = ExpressionProcessor.FindMemberExpression(methodCallExpression.Arguments[0]);
          object value = ExpressionProcessor.FindValue(methodCallExpression.Arguments[1]);
          return Restrictions.Eq(
              Projections.SqlFunction("year", NHibernateUtil.DateTime, Projections.Property(property)),
              value);
      }
  }

  public class QueryOverExtsRegistry
  {
      public static void RegistrMyQueryOverExts()
      {
          ExpressionProcessor.RegisterCustomMethodCall(
              () => MyQueryOverExts.YearIs(DateTime.Now, 0),
              MyQueryOverExts.ProcessAnsiYear);
      }
  }
}

QueryOverExtsRegistry.RegistrMyQueryOverExts(); //یکبار در ابتدای اجرای برنامه باید ثبت شود
...
var data = session.QueryOver<Account>()
                                     .Where(x => x.AddDate.YearIs(2010))
                                     .List();

SELECT
      this_.AccountId as AccountId0_0_,
      this_.Name as Name0_0_,
      this_.Balance as Balance0_0_,
      this_.AddDate as AddDate0_0_
  FROM
      Accounts this_
  WHERE
      strftime("%Y", this_.AddDate) = @p0 /* =2010 */