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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 */

using System.Collections.Generic;
namespace CustomerOrdersSample.Domain
{
   public class Customer
   {
       public virtual int Id { get; set; }
       public virtual string Name { get; set; }
       public virtual IList<Order> Orders { get; set; }
   }
}

using System;
using System.Collections.Generic;
namespace CustomerOrdersSample.Domain
{
   public class Order
   {
       public virtual int Id { get; set; }
       public virtual DateTime OrderDate { set; get; }
       public virtual Customer Customer { get; set; }
       public virtual IList<OrderItem> OrderItems { set; get; }
   }
}

namespace CustomerOrdersSample.Domain
{
   public class OrderItem
   {
       public virtual int Id { get; set; }
       public virtual Product Product { get; set; }
       public virtual int Quntity { get; set; }
       public virtual Order Order { set; get; }
   }
}

namespace CustomerOrdersSample.Domain
{
   public class Product
   {
       public virtual int Id { set; get; }
       public virtual string Name { get; set; }
       public virtual decimal UnitPrice { get; set; }
   }
}

    create table Customers (
      CustomerId INT IDENTITY NOT NULL,
      Name NVARCHAR(255) null,
      primary key (CustomerId)
   )

   create table Orders (
      OrderId INT IDENTITY NOT NULL,
      OrderDate DATETIME null,
      CustomerId INT null,
      primary key (OrderId)
   )

   create table OrderItems (
      OrderItemId INT IDENTITY NOT NULL,
      Quntity INT null,
      ProductId INT null,
      OrderId INT null,
      primary key (OrderItemId)
   )

   create table Products (
      ProductId INT IDENTITY NOT NULL,
      Name NVARCHAR(255) null,
      UnitPrice NUMERIC(19,5) null,
      primary key (ProductId)
   )

   alter table Orders
       add constraint fk_Customer_Order
       foreign key (CustomerId)
       references Customers

   alter table OrderItems
       add constraint fk_Product_OrderItem
       foreign key (ProductId)
       references Products

   alter table OrderItems
       add constraint fk_Order_OrderItem
       foreign key (OrderId)
       references Orders

SET IDENTITY_INSERT [Customers] ON;
GO
INSERT INTO [Customers] ([CustomerId],[Name]) VALUES (1,N'Customer1');
GO
SET IDENTITY_INSERT [Customers] OFF;
GO
SET IDENTITY_INSERT [Products] ON;
GO
INSERT INTO [Products] ([ProductId],[Name],[UnitPrice]) VALUES (1,N'Product1',1000.00000);
GO
INSERT INTO [Products] ([ProductId],[Name],[UnitPrice]) VALUES (2,N'Product2',2000.00000);
GO
INSERT INTO [Products] ([ProductId],[Name],[UnitPrice]) VALUES (3,N'Product3',3000.00000);
GO
SET IDENTITY_INSERT [Products] OFF;
GO
SET IDENTITY_INSERT [Orders] ON;
GO
INSERT INTO [Orders] ([OrderId],[OrderDate],[CustomerId]) VALUES (1,{ts '2011-01-07 11:25:20.000'},1);
GO
SET IDENTITY_INSERT [Orders] OFF;
GO
SET IDENTITY_INSERT [OrderItems] ON;
GO
INSERT INTO [OrderItems] ([OrderItemId],[Quntity],[ProductId],[OrderId]) VALUES (1,10,1,1);
GO
INSERT INTO [OrderItems] ([OrderItemId],[Quntity],[ProductId],[OrderId]) VALUES (2,5,2,1);
GO
INSERT INTO [OrderItems] ([OrderItemId],[Quntity],[ProductId],[OrderId]) VALUES (3,20,3,1);
GO
SET IDENTITY_INSERT [OrderItems] OFF;
GO

var list = session.QueryOver<Customer>().List();

foreach (var customer in list)
{
      foreach (var order in customer.Orders)
      {
          foreach (var orderItem in order.OrderItems)
          {
                Console.WriteLine("{0}:{1}:{2}", customer.Name, order.OrderDate, orderItem.Product.Name);
           }
       }
}

Customer1:2011/01/07 11:25:20 :Product1
Customer1:2011/01/07 11:25:20 :Product2
Customer1:2011/01/07 11:25:20 :Product3

var list = session
                   .QueryOver<Customer>()
                   .Fetch(c => c.Orders).Eager
                   .Fetch(c => c.Orders.First().OrderItems).Eager
                   .Fetch(c => c.Orders.First().OrderItems.First().Product).Eager
                   .List();

foreach (var customer in list)
{
     foreach (var order in customer.Orders)
     {
           foreach (var orderItem in order.OrderItems)
           {
               Console.WriteLine("{0}:{1}:{2}", customer.Name, order.OrderDate, orderItem.Product.Name);
            }
      }
}

...
.TransformUsing(NHibernate.Transform.Transformers.DistinctRootEntity)
.List();

var list = session
                   .Query()
                   .FetchMany(c => c.Orders)
                   .ThenFetchMany(o => o.OrderItems)
                   .ThenFetch(p => p.Product)
                   .ToList();

PM> get-package -remote -filter wpf
PM> get-package -remote -filter silverlight

D:\Test>nuget list nhi

D:\Test>nuget install NHibernate

D:\Test>NuGet.exe u

Tools | Options, then Environment | Extension Manager and click "Automatically check for updates to installed extensions."