new SendMsg().ShowMsg(
                    new AlertConfirmBoxModel
                    {
                        ErrorTitle = "خطای اعتبار سنجی",
                        Errors = errors,
                    }, validationException);

public class DomainResult
    {
        public bool Succeed { get; set; }
        public IEnumerable<Exception> Errors { get; set; }
        public DomainErrorType ErrorType { get; set; }
    }
    public enum DomainErrorType
    {
        Validation, Concurrency, Update
    }

public DomainResult ApplyAllChanges(string userName, bool updateAuditFields = true) ...

using System.Collections.Generic;
using System.Linq;

namespace NumberToWordsLib
{
 /// <summary>
 /// Number to word languages
 /// </summary>
 public enum Language
 {
  /// <summary>
  /// English Language
  /// </summary>
  English,

  /// <summary>
  /// Persian Language
  /// </summary>
  Persian
 }

 /// <summary>
 /// Digit's groups
 /// </summary>
 public enum DigitGroup
 {
  /// <summary>
  /// Ones group
  /// </summary>
  Ones,

  /// <summary>
  /// Teens group
  /// </summary>
  Teens,

  /// <summary>
  /// Tens group
  /// </summary>
  Tens,

  /// <summary>
  /// Hundreds group
  /// </summary>
  Hundreds,

  /// <summary>
  /// Thousands group
  /// </summary>
  Thousands
 }

 /// <summary>
 /// Equivalent names of a group 
 /// </summary>
 public class NumberWord
 {
  /// <summary>
  /// Digit's group
  /// </summary>
  public DigitGroup Group { set; get; }

  /// <summary>
  /// Number to word language
  /// </summary>
  public Language Language { set; get; }

  /// <summary>
  /// Equivalent names
  /// </summary>
  public IList<string> Names { set; get; }
 }

 /// <summary>
 /// Convert a number into words
 /// </summary>
 public static class HumanReadableInteger
 {
  #region Fields (4)

  private static readonly IDictionary<Language, string> And = new Dictionary<Language, string>
  {
   { Language.English, " " },
   { Language.Persian, " و " } 
  };
  private static readonly IList<NumberWord> NumberWords = new List<NumberWord>
  {
   new NumberWord { Group= DigitGroup.Ones, Language= Language.English, Names=
    new List<string> { string.Empty, "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine" }},
   new NumberWord { Group= DigitGroup.Ones, Language= Language.Persian, Names=
    new List<string> { string.Empty, "یک", "دو", "سه", "چهار", "پنج", "شش", "هفت", "هشت", "نه" }},

   new NumberWord { Group= DigitGroup.Teens, Language= Language.English, Names=
    new List<string> { "Ten", "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen" }},
   new NumberWord { Group= DigitGroup.Teens, Language= Language.Persian, Names=
    new List<string> { "ده", "یازده", "دوازده", "سیزده", "چهارده", "پانزده", "شانزده", "هفده", "هجده", "نوزده" }},

   new NumberWord { Group= DigitGroup.Tens, Language= Language.English, Names=
    new List<string> { "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety" }},
   new NumberWord { Group= DigitGroup.Tens, Language= Language.Persian, Names=
    new List<string> { "بیست", "سی", "چهل", "پنجاه", "شصت", "هفتاد", "هشتاد", "نود" }},

   new NumberWord { Group= DigitGroup.Hundreds, Language= Language.English, Names=
    new List<string> {string.Empty, "One Hundred", "Two Hundred", "Three Hundred", "Four Hundred", 
     "Five Hundred", "Six Hundred", "Seven Hundred", "Eight Hundred", "Nine Hundred" }},
   new NumberWord { Group= DigitGroup.Hundreds, Language= Language.Persian, Names=
    new List<string> {string.Empty, "یکصد", "دویست", "سیصد", "چهارصد", "پانصد", "ششصد", "هفتصد", "هشتصد" , "نهصد" }},

   new NumberWord { Group= DigitGroup.Thousands, Language= Language.English, Names=
     new List<string> { string.Empty, " Thousand", " Million", " Billion"," Trillion", " Quadrillion", " Quintillion", " Sextillian",
   " Septillion", " Octillion", " Nonillion", " Decillion", " Undecillion", " Duodecillion", " Tredecillion",
   " Quattuordecillion", " Quindecillion", " Sexdecillion", " Septendecillion", " Octodecillion", " Novemdecillion",
   " Vigintillion", " Unvigintillion", " Duovigintillion", " 10^72", " 10^75", " 10^78", " 10^81", " 10^84", " 10^87",
   " Vigintinonillion", " 10^93", " 10^96", " Duotrigintillion", " Trestrigintillion" }},
   new NumberWord { Group= DigitGroup.Thousands, Language= Language.Persian, Names=
     new List<string> { string.Empty, " هزار", " میلیون", " میلیارد"," تریلیون", " Quadrillion", " Quintillion", " Sextillian",
   " Septillion", " Octillion", " Nonillion", " Decillion", " Undecillion", " Duodecillion", " Tredecillion",
   " Quattuordecillion", " Quindecillion", " Sexdecillion", " Septendecillion", " Octodecillion", " Novemdecillion",
   " Vigintillion", " Unvigintillion", " Duovigintillion", " 10^72", " 10^75", " 10^78", " 10^81", " 10^84", " 10^87",
   " Vigintinonillion", " 10^93", " 10^96", " Duotrigintillion", " Trestrigintillion" }},
  };
  private static readonly IDictionary<Language, string> Negative = new Dictionary<Language, string>
  {
   { Language.English, "Negative " },
   { Language.Persian, "منهای " } 
  };
  private static readonly IDictionary<Language, string> Zero = new Dictionary<Language, string>
  {
   { Language.English, "Zero" },
   { Language.Persian, "صفر" } 
  };

  #endregion Fields

  #region Methods (7)

  // Public Methods (5) 

  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this int number, Language language)
  {
   return NumberToText((long)number, language);
  }


  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this uint number, Language language)
  {
   return NumberToText((long)number, language);
  }

  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this byte number, Language language)
  {
   return NumberToText((long)number, language);
  }

  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this decimal number, Language language)
  {
   return NumberToText((long)number, language);
  }

  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this double number, Language language)
  {
   return NumberToText((long)number, language);
  }

  /// <summary>
  /// display a numeric value using the equivalent text
  /// </summary>
  /// <param name="number">input number</param>
  /// <param name="language">local language</param>
  /// <returns>the equivalent text</returns>
  public static string NumberToText(this long number, Language language)
  {
   if (number == 0)
   {
    return Zero[language];
   }

   if (number < 0)
   {
    return Negative[language] + NumberToText(-number, language);
   }

   return wordify(number, language, string.Empty, 0);
  }
  // Private Methods (2) 

  private static string getName(int idx, Language language, DigitGroup group)
  {
   return NumberWords.Where(x => x.Group == group && x.Language == language).First().Names[idx];
  }

  private static string wordify(long number, Language language, string leftDigitsText, int thousands)
  {
   if (number == 0)
   {
    return leftDigitsText;
   }

   var wordValue = leftDigitsText;
   if (wordValue.Length > 0)
   {
    wordValue += And[language];
   }

   if (number < 10)
   {
    wordValue += getName((int)number, language, DigitGroup.Ones);
   }
   else if (number < 20)
   {
    wordValue += getName((int)(number - 10), language, DigitGroup.Teens);
   }
   else if (number < 100)
   {
    wordValue += wordify(number % 10, language, getName((int)(number / 10 - 2), language, DigitGroup.Tens), 0);
   }
   else if (number < 1000)
   {
    wordValue += wordify(number % 100, language, getName((int)(number / 100), language, DigitGroup.Hundreds), 0);
   }
   else
   {
    wordValue += wordify(number % 1000, language, wordify(number / 1000, language, string.Empty, thousands + 1), 0);
   }

   if (number % 1000 == 0) return wordValue;
   return wordValue + getName(thousands, language, DigitGroup.Thousands);
  }

  #endregion Methods
 }
}

namespace NHSample1.Domain
{
   public class Product
   {
       public int Id { get; set; }
       public string Name { get; set; }
       public decimal UnitPrice { get; set; }
       public bool Discontinued { get; set; }
   }
}

using FluentNHibernate.Mapping;
using NHSample1.Domain;

namespace NHSample1.Mappings
{
   public class ProductMapping : ClassMap<Product>
   {
       public ProductMapping()
       {
           Not.LazyLoad();
           Id(p => p.Id).GeneratedBy.HiLo("1000");
           Map(p => p.Name).Length(50).Not.Nullable();
           Map(p => p.UnitPrice).Not.Nullable();
           Map(p => p.Discontinued).Not.Nullable();
       }
   }
}

using NUnit.Framework;
using FluentNHibernate.Testing;
using NHSample1.Domain;

namespace UnitTests
{
   [TestFixture]
   public class ProductMapping_Fixture : FixtureBase
   {
       [Test]
       public void can_correctly_map_product()
       {
           new PersistenceSpecification<Product>(Session)
                   .CheckProperty(p => p.Id, 1001)
                   .CheckProperty(p => p.Name, "Apples")
                   .CheckProperty(p => p.UnitPrice, 10.45m)
                   .CheckProperty(p => p.Discontinued, true)
                   .VerifyTheMappings();
       }
   }
}

ProductMapping_Fixture.can_correctly_map_product : Passed
NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 2, @p1 = 1
NHibernate: INSERT INTO "Product" (Name, UnitPrice, Discontinued, Id) VALUES (@p0, @p1, @p2, @p3);@p0 = 'Apples', @p1 = 10.45, @p2 = True, @p3 = 1001
NHibernate: SELECT product0_.Id as Id1_0_, product0_.Name as Name1_0_, product0_.UnitPrice as UnitPrice1_0_, product0_.Discontinued as Disconti4_1_0_ FROM "Product" product0_ WHERE product0_.Id=@p0;@p0 = 1001

using System;
namespace NHSample1.Domain
{
   public class Employee
   {
       public int Id { set; get; }
       public string LastName { get; set; }
       public string FirstName { get; set; }
   }
}

using NHSample1.Domain;
using FluentNHibernate.Mapping;

namespace NHSample1.Mappings
{
   public class EmployeeMapping : ClassMap<Employee>
   {
       public EmployeeMapping()
       {
           Not.LazyLoad();
           Id(e => e.Id).GeneratedBy.Assigned();
           Map(e => e.LastName).Length(50);
           Map(e => e.FirstName).Length(50);
       }
   }
}

using NUnit.Framework;
using NHSample1.Domain;
using FluentNHibernate.Testing;

namespace UnitTests
{
   [TestFixture]
   public class EmployeeMapping_Fixture : FixtureBase
   {
       [Test]
       public void can_correctly_map_employee()
       {
           new PersistenceSpecification<Employee>(Session)
                   .CheckProperty(p => p.Id, 1001)
                   .CheckProperty(p => p.FirstName, "name1")
                   .CheckProperty(p => p.LastName, "lname1")
                   .VerifyTheMappings();
       }
   }
}

NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 2, @p1 = 1
NHibernate: INSERT INTO "Employee" (LastName, FirstName, Id) VALUES (@p0, @p1, @p2);@p0 = 'lname1', @p1 = 'name1', @p2 = 1001
NHibernate: SELECT employee0_.Id as Id4_0_, employee0_.LastName as LastName4_0_, employee0_.FirstName as FirstName4_0_ FROM "Employee" employee0_ WHERE employee0_.Id=@p0;@p0 = 1001

namespace NHSample1.Domain
{
   public class OrderItem
   {
       public int Id { get; set; }
       public int Quantity { get; set; }
       public Product Product { get; set; }
   }
}

using FluentNHibernate.Mapping;
using NHSample1.Domain;

namespace NHSample1.Mappings
{
   public class OrderItemMapping : ClassMap<OrderItem>
   {
       public OrderItemMapping()
       {
           Not.LazyLoad();
           Id(oi => oi.Id).GeneratedBy.Assigned();
           Map(oi => oi.Quantity).Not.Nullable();
           References(oi => oi.Product).Not.Nullable();
       }
   }
}

using NUnit.Framework;
using NHSample1.Domain;
using FluentNHibernate.Testing;

namespace UnitTests
{
   [TestFixture]
   public class OrderItemMapping_Fixture : FixtureBase
   {
       [Test]
       public void can_correctly_map_order_item()
       {
           var product = new Product
           {
               Name = "Apples",
               UnitPrice = 4.5m,
               Discontinued = true
           };

           new PersistenceSpecification<OrderItem>(Session)
                       .CheckProperty(p => p.Id, 1)
                       .CheckProperty(p => p.Quantity, 5)
                       .CheckReference(p => p.Product, product)
                       .VerifyTheMappings();
       }
   }
}

using System.Collections;
using NHSample1.Domain;

namespace UnitTests
{
   public class CustomEqualityComparer : IEqualityComparer
   {
       public bool Equals(object x, object y)
       {
           if (ReferenceEquals(x, y)) return true;
           if (x == null || y == null) return false;

           if (x is Product && y is Product)
               return (x as Product).Id == (y as Product).Id;

           if (x is Customer && y is Customer)
               return (x as Customer).Id == (y as Customer).Id;

           if (x is Employee && y is Employee)
               return (x as Employee).Id == (y as Employee).Id;

           if (x is OrderItem && y is OrderItem)
               return (x as OrderItem).Id == (y as OrderItem).Id;
          

           return x.Equals(y);
       }

       public int GetHashCode(object obj)
       {
           //شاید وقتی دیگر
           return obj.GetHashCode();
       }
   }
}

new PersistenceSpecification<OrderItem>(Session, new CustomEqualityComparer())

NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 2, @p1 = 1
NHibernate: INSERT INTO "Product" (Name, UnitPrice, Discontinued, Id) VALUES (@p0, @p1, @p2, @p3);@p0 = 'Apples', @p1 = 4.5, @p2 = True, @p3 = 1001
NHibernate: INSERT INTO "OrderItem" (Quantity, Product_id, Id) VALUES (@p0, @p1, @p2);@p0 = 5, @p1 = 1001, @p2 = 1
NHibernate: SELECT orderitem0_.Id as Id0_1_, orderitem0_.Quantity as Quantity0_1_, orderitem0_.Product_id as Product3_0_1_, product1_.Id as Id3_0_, product1_.Name as Name3_0_, product1_.UnitPrice as UnitPrice3_0_, product1_.Discontinued as Disconti4_3_0_ FROM "OrderItem" orderitem0_ inner join "Product" product1_ on orderitem0_.Product_id=product1_.Id WHERE orderitem0_.Id=@p0;@p0 = 1

using System;
using System.Collections.Generic;

namespace NHSample1.Domain
{
   public class Order
   {
       public int Id { set; get; }
       public DateTime OrderDate { get; set; }
       public Employee Employee { get; set; }
       public Customer Customer { get; set; }
       public IList<OrderItem> OrderItems { get; set; }
   }
}

using NHSample1.Domain;
using FluentNHibernate.Mapping;

namespace NHSample1.Mappings
{
   public class OrderMapping : ClassMap<Order>
   {
       public OrderMapping()
       {
           Not.LazyLoad();
           Id(o => o.Id).GeneratedBy.GuidComb();
           Map(o => o.OrderDate).Not.Nullable();
           References(o => o.Employee).Not.Nullable();
           References(o => o.Customer).Not.Nullable();
           HasMany(o => o.OrderItems)
               .AsList(index => index.Column("ListIndex").Type<int>());
       }
   }
}

using System;
using System.Collections.Generic;
using NUnit.Framework;
using NHSample1.Domain;
using FluentNHibernate.Testing;

namespace UnitTests
{
   [TestFixture]
   public class OrderMapping_Fixture : FixtureBase
   {
       [Test]
       public void can_correctly_map_an_order()
       {
           {
               var product1 =
                   new Product
                   {
                       Name = "Apples",
                       UnitPrice = 4.5m,
                       Discontinued = true
                   };
               var product2 =
                   new Product
                   {
                       Name = "Pears",
                       UnitPrice = 3.5m,
                       Discontinued = false
                   };

               Session.Save(product1);
               Session.Save(product2);

               var items = new List<OrderItem>
                               {
                                   new OrderItem
                                   {
                                       Id = 1,
                                       Quantity = 100,
                                       Product = product1
                                   },
                                   new OrderItem
                                   {
                                       Id = 2,
                                       Quantity = 200,
                                       Product = product2
                                   }
                               };

               var customer = new Customer
               {
                   FirstName = "Vahid",
                   LastName = "Nasiri",
                   AddressLine1 = "Addr1",
                   AddressLine2 = "Addr2",
                   PostalCode = "1234",
                   City = "Tehran",
                   CountryCode = "IR"
               };

               var employee =
                   new Employee
                   {
                       FirstName = "name1",
                       LastName = "lname1"
                   };


              
               var order = new Order
               {
                   Customer = customer,
                   Employee = employee,
                   OrderDate = DateTime.Today,
                   OrderItems = items
               };

               new PersistenceSpecification<Order>(Session, new CustomEqualityComparer())
                   .CheckProperty(o => o.OrderDate, order.OrderDate)
                   .CheckReference(o => o.Customer, order.Customer)
                   .CheckReference(o => o.Employee, order.Employee)
                   .CheckList(o => o.OrderItems, order.OrderItems)
                   .VerifyTheMappings();
           }
       }
   }
}

OrderMapping_Fixture.can_correctly_map_an_order : Passed
NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 2, @p1 = 1
NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 3, @p1 = 2
NHibernate: INSERT INTO "Product" (Name, UnitPrice, Discontinued, Id) VALUES (@p0, @p1, @p2, @p3);@p0 = 'Apples', @p1 = 4.5, @p2 = True, @p3 = 1001
NHibernate: INSERT INTO "Product" (Name, UnitPrice, Discontinued, Id) VALUES (@p0, @p1, @p2, @p3);@p0 = 'Pears', @p1 = 3.5, @p2 = False, @p3 = 1002
NHibernate: INSERT INTO "Customer" (FirstName, LastName, AddressLine1, AddressLine2, PostalCode, City, CountryCode, Id) VALUES (@p0, @p1, @p2, @p3, @p4, @p5, @p6, @p7);@p0 = 'Vahid', @p1 = 'Nasiri', @p2 = 'Addr1', @p3 = 'Addr2', @p4 = '1234', @p5 = 'Tehran', @p6 = 'IR', @p7 = 2002
NHibernate: select next_hi from hibernate_unique_key
NHibernate: update hibernate_unique_key set next_hi = @p0 where next_hi = @p1;@p0 = 4, @p1 = 3
NHibernate: INSERT INTO "Employee" (LastName, FirstName, Id) VALUES (@p0, @p1, @p2);@p0 = 'lname1', @p1 = 'name1', @p2 = 3003
NHibernate: INSERT INTO "OrderItem" (Quantity, Product_id, Id) VALUES (@p0, @p1, @p2);@p0 = 100, @p1 = 1001, @p2 = 1
NHibernate: INSERT INTO "OrderItem" (Quantity, Product_id, Id) VALUES (@p0, @p1, @p2);@p0 = 200, @p1 = 1002, @p2 = 2
NHibernate: INSERT INTO "Order" (OrderDate, Employee_id, Customer_id, Id) VALUES (@p0, @p1, @p2, @p3);@p0 = 2009/10/10 12:00:00 ق.ظ, @p1 = 3003, @p2 = 2002, @p3 = 0
NHibernate: UPDATE "OrderItem" SET Order_id = @p0, ListIndex = @p1 WHERE Id = @p2;@p0 = 0, @p1 = 0, @p2 = 1
NHibernate: UPDATE "OrderItem" SET Order_id = @p0, ListIndex = @p1 WHERE Id = @p2;@p0 = 0, @p1 = 1, @p2 = 2
NHibernate: SELECT order0_.Id as Id1_2_, order0_.OrderDate as OrderDate1_2_, order0_.Employee_id as Employee3_1_2_, order0_.Customer_id as Customer4_1_2_, employee1_.Id as Id4_0_, employee1_.LastName as LastName4_0_, employee1_.FirstName as FirstName4_0_, customer2_.Id as Id2_1_, customer2_.FirstName as FirstName2_1_, customer2_.LastName as LastName2_1_, customer2_.AddressLine1 as AddressL4_2_1_, customer2_.AddressLine2 as AddressL5_2_1_, customer2_.PostalCode as PostalCode2_1_, customer2_.City as City2_1_, customer2_.CountryCode as CountryC8_2_1_ FROM "Order" order0_ inner join "Employee" employee1_ on order0_.Employee_id=employee1_.Id inner join "Customer" customer2_ on order0_.Customer_id=customer2_.Id WHERE order0_.Id=@p0;@p0 = 0
NHibernate: SELECT orderitems0_.Order_id as Order4_2_, orderitems0_.Id as Id2_, orderitems0_.ListIndex as ListIndex2_, orderitems0_.Id as Id0_1_, orderitems0_.Quantity as Quantity0_1_, orderitems0_.Product_id as Product3_0_1_, product1_.Id as Id3_0_, product1_.Name as Name3_0_, product1_.UnitPrice as UnitPrice3_0_, product1_.Discontinued as Disconti4_3_0_ FROM "OrderItem" orderitems0_ inner join "Product" product1_ on orderitems0_.Product_id=product1_.Id WHERE orderitems0_.Order_id=@p0;@p0 = 0

SessionSource.BuildSchema(Session, true);

    drop table if exists "OrderItem"

    drop table if exists "Order"

    drop table if exists "Customer"

    drop table if exists "Product"

    drop table if exists "Employee"

    drop table if exists hibernate_unique_key

    create table "OrderItem" (
        Id INTEGER not null,
       Quantity INTEGER not null,
       Product_id INTEGER not null,
       Order_id INTEGER,
       ListIndex INTEGER,
       primary key (Id)
    )

    create table "Order" (
        Id INTEGER not null,
       OrderDate DATETIME not null,
       Employee_id INTEGER not null,
       Customer_id INTEGER not null,
       primary key (Id)
    )

    create table "Customer" (
        Id INTEGER not null,
       FirstName TEXT not null,
       LastName TEXT not null,
       AddressLine1 TEXT not null,
       AddressLine2 TEXT,
       PostalCode TEXT not null,
       City TEXT not null,
       CountryCode TEXT not null,
       primary key (Id)
    )

    create table "Product" (
        Id INTEGER not null,
       Name TEXT not null,
       UnitPrice NUMERIC not null,
       Discontinued INTEGER not null,
       primary key (Id)
    )

    create table "Employee" (
        Id INTEGER not null,
       LastName TEXT,
       FirstName TEXT,
       primary key (Id)
    )

    create table hibernate_unique_key (
         next_hi INTEGER
    )

           var cfg = Fluently.Configure().Database(
              // SQLiteConfiguration.Standard.ShowSql().InMemory
              MsSqlConfiguration
              .MsSql2008
              .ShowSql()
              .ConnectionString("Data Source=(local);Initial Catalog=testdb2009;Integrated Security = true")
               );

    if exists (select 1 from sys.objects where object_id = OBJECT_ID(N'[FK3EF88858466CFBF7]') AND parent_object_id = OBJECT_ID('[OrderItem]'))
alter table [OrderItem]  drop constraint FK3EF88858466CFBF7


    if exists (select 1 from sys.objects where object_id = OBJECT_ID(N'[FK3EF888589F32DE52]') AND parent_object_id = OBJECT_ID('[OrderItem]'))
alter table [OrderItem]  drop constraint FK3EF888589F32DE52


    if exists (select 1 from sys.objects where object_id = OBJECT_ID(N'[FK3117099B1EBA72BC]') AND parent_object_id = OBJECT_ID('[Order]'))
alter table [Order]  drop constraint FK3117099B1EBA72BC


    if exists (select 1 from sys.objects where object_id = OBJECT_ID(N'[FK3117099BB2F9593A]') AND parent_object_id = OBJECT_ID('[Order]'))
alter table [Order]  drop constraint FK3117099BB2F9593A


    if exists (select * from dbo.sysobjects where id = object_id(N'[OrderItem]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [OrderItem]

    if exists (select * from dbo.sysobjects where id = object_id(N'[Order]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [Order]

    if exists (select * from dbo.sysobjects where id = object_id(N'[Customer]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [Customer]

    if exists (select * from dbo.sysobjects where id = object_id(N'[Product]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [Product]

    if exists (select * from dbo.sysobjects where id = object_id(N'[Employee]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [Employee]

    if exists (select * from dbo.sysobjects where id = object_id(N'hibernate_unique_key') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table hibernate_unique_key

    create table [OrderItem] (
        Id INT not null,
       Quantity INT not null,
       Product_id INT not null,
       Order_id INT null,
       ListIndex INT null,
       primary key (Id)
    )

    create table [Order] (
        Id INT not null,
       OrderDate DATETIME not null,
       Employee_id INT not null,
       Customer_id INT not null,
       primary key (Id)
    )

    create table [Customer] (
        Id INT not null,
       FirstName NVARCHAR(50) not null,
       LastName NVARCHAR(50) not null,
       AddressLine1 NVARCHAR(50) not null,
       AddressLine2 NVARCHAR(50) null,
       PostalCode NVARCHAR(10) not null,
       City NVARCHAR(50) not null,
       CountryCode NVARCHAR(2) not null,
       primary key (Id)
    )

    create table [Product] (
        Id INT not null,
       Name NVARCHAR(50) not null,
       UnitPrice DECIMAL(19,5) not null,
       Discontinued BIT not null,
       primary key (Id)
    )

    create table [Employee] (
        Id INT not null,
       LastName NVARCHAR(50) null,
       FirstName NVARCHAR(50) null,
       primary key (Id)
    )

    alter table [OrderItem]
        add constraint FK3EF88858466CFBF7
        foreign key (Product_id)
        references [Product]

    alter table [OrderItem]
        add constraint FK3EF888589F32DE52
        foreign key (Order_id)
        references [Order]

    alter table [Order]
        add constraint FK3117099B1EBA72BC
        foreign key (Employee_id)
        references [Employee]

    alter table [Order]
        add constraint FK3117099BB2F9593A
        foreign key (Customer_id)
        references [Customer]

    create table hibernate_unique_key (
         next_hi INT
    )

using System;
using System.Collections.Generic;
using System.Linq;

namespace testWinForms87
{
  public class Data
  {
      public int id { get; set; }
      public string name { get; set; }
  }

  class CLinqTests
  {
      public static int TestGetListMin1()
      {
          var lst = new List<Data>
          {
                  new Data{ id=1, name="id1"},
                  new Data{ id=2, name="id2"},
                  new Data{ id=3, name="name3"}
          };

          return (from c in lst
                  where c.name.Contains("id")
                  select c.id).Min();
      }
    
      public static int TestGetListMin2()
      {
          var lst = new List<Data>();

          return (from c in lst
                  where c.name.Contains("id")
                  select c.id).Min();
      }
  }
}

      public static int TestGetListMin3()
      {
          var lst = new List<Data>();
          var query = from c in lst
                      where c.name.Contains("id")
                      select c.id;

          if (query.Any())
              return query.Min();
          else
              return -1;
      }

using System;
using System.Collections.Generic;
using System.Linq;

  public static class LinqExtensions
  {
      public static T MinOrDefault<T>(this IEnumerable<T> source, T defaultValue)
      {
          if (source.Any<T>())
              return source.Min<T>();

          return defaultValue;
      }

      public static T MaxOrDefault<T>(this IEnumerable<T> source, T defaultValue)
      {
          if (source.Any<T>())
              return source.Max<T>();

          return defaultValue;
      }
  }

      public static int TestGetListMin4()
      {
          var lst = new List<Data>();
          return (from c in lst
                  where c.name.Contains("id")
                  select c.id).MinOrDefault(-1);
      }

using System;
using System.Web;

namespace UrlNormalizationTest
{
    public static class UrlNormalization
    {
        public static bool AreTheSameUrls(this string url1, string url2)
        {
            url1 = url1.NormalizeUrl();
            url2 = url2.NormalizeUrl();
            return url1.Equals(url2);
        }

        public static bool AreTheSameUrls(this Uri uri1, Uri uri2)
        {
            var url1 = uri1.NormalizeUrl();
            var url2 = uri2.NormalizeUrl();
            return url1.Equals(url2);
        }

        public static string[] DefaultDirectoryIndexes = new[]
            {
                "default.asp",
                "default.aspx",
                "index.htm",
                "index.html",
                "index.php"
            };

        public static string NormalizeUrl(this Uri uri)
        {
            var url = urlToLower(uri);
            url = limitProtocols(url);
            url = removeDefaultDirectoryIndexes(url);
            url = removeTheFragment(url);
            url = removeDuplicateSlashes(url);
            url = addWww(url);
            url = removeFeedburnerPart(url);
            return removeTrailingSlashAndEmptyQuery(url);
        }

        public static string NormalizeUrl(this string url)
        {
            return NormalizeUrl(new Uri(url));
        }

        private static string removeFeedburnerPart(string url)
        {
            var idx = url.IndexOf("utm_source=", StringComparison.Ordinal);
            return idx == -1 ? url : url.Substring(0, idx - 1);
        }

        private static string addWww(string url)
        {
            if (new Uri(url).Host.Split('.').Length == 2 && !url.Contains("://www."))
            {
                return url.Replace("://", "://www.");
            }
            return url;
        }

        private static string removeDuplicateSlashes(string url)
        {
            var path = new Uri(url).AbsolutePath;
            return path.Contains("//") ? url.Replace(path, path.Replace("//", "/")) : url;
        }

        private static string limitProtocols(string url)
        {
            return new Uri(url).Scheme == "https" ? url.Replace("https://", "http://") : url;
        }

        private static string removeTheFragment(string url)
        {
            var fragment = new Uri(url).Fragment;
            return string.IsNullOrWhiteSpace(fragment) ? url : url.Replace(fragment, string.Empty);
        }

        private static string urlToLower(Uri uri)
        {
            return HttpUtility.UrlDecode(uri.AbsoluteUri.ToLowerInvariant());
        }

        private static string removeTrailingSlashAndEmptyQuery(string url)
        {
            return url
                    .TrimEnd(new[] { '?' })
                    .TrimEnd(new[] { '/' });
        }

        private static string removeDefaultDirectoryIndexes(string url)
        {
            foreach (var index in DefaultDirectoryIndexes)
            {
                if (url.EndsWith(index))
                {
                    url = url.TrimEnd(index.ToCharArray());
                    break;
                }
            }
            return url;
        }
    }
}

//Function in Repository Class 
public IQueryable<T> FindAll(bool doCache, params Expression<Func<T, object>>[] includes)
        {
            return includes.Aggregate<Expression<Func<T, object>>, IQueryable<T>>(
                 _dbset, (current, experssion) => current.Include(experssion));
        }

//function in cache class
public IQueryable<T> FindAll(bool doCache, params Expression<Func<T, object>>[] includes)
        {
            if (doCache)
            {
                var result = _repository.FindAll(doCache, includes).Cacheable();
                return result;
            }
            else
                return _repository.FindAll(doCache, includes);
        }

//Call  in service class
_cache.FindAll(true,s=>s.Tag)