namespace EFCorePgExercises.Entities
{
    public class Booking
    {
       // ...

        public int MemId { set; get; }
        public virtual Member Member { set; get; }

       // ...
    }
}

var startTimes = context.Bookings
                        .Where(booking => booking.Member.FirstName == "David"
                                            && booking.Member.Surname == "Farrell")
                        .Select(booking => new { booking.StartTime })
                        .ToList();

namespace EFCorePgExercises.Entities
{
    public class Booking
    {
       // ...

        public int FacId { set; get; }
        public virtual Facility Facility { set; get; }

       // ...
    }
}

int[] tennisCourts = { 0, 1 };
var date1 = new DateTime(2012, 09, 21);
var date2 = new DateTime(2012, 09, 22);
var startTimes = context.Bookings
                        .Where(booking => tennisCourts.Contains(booking.Facility.FacId)
                                && booking.StartTime >= date1
                                && booking.StartTime < date2)
                        .Select(booking => new { booking.StartTime, booking.Facility.Name })
                        .ToList();

namespace EFCorePgExercises.Entities
{
    public class Member
    {
       // ...

        public virtual ICollection<Member> Children { get; set; }
        public virtual Member Recommender { set; get; }
        public int? RecommendedBy { set; get; }

       // ...
    }
}

var members = context.Members
                        .Where(member => member.Recommender != null)
                        .Select(member => new { member.Recommender.FirstName, member.Recommender.Surname })
                        .Distinct()
                        .OrderBy(member => member.Surname).ThenBy(member => member.FirstName)
                        .ToList();

var members = context.Members
                        .Select(member => new
                        {
                            memFName = member.FirstName,
                            memSName = member.Surname,
                            recFName = member.Recommender.FirstName ?? "",
                            recSName = member.Recommender.Surname ?? ""
                        })
                        .OrderBy(member => member.memSName).ThenBy(member => member.memFName)
                        .ToList();

A LEFT JOIN B            A LEFT OUTER JOIN B
A RIGHT JOIN B           A RIGHT OUTER JOIN B
A FULL JOIN B            A FULL OUTER JOIN B
A INNER JOIN B           A JOIN B

namespace EFCorePgExercises.Entities
{
    public class Booking
    {
       // ...

        public int FacId { set; get; }
        public virtual Facility Facility { set; get; }

        public int MemId { set; get; }
        public virtual Member Member { set; get; }

       // ...
    }
}

namespace EFCorePgExercises.Entities
{
    public class Member
    {
       // ...

        public virtual ICollection<Booking> Bookings { set; get; }
    }
}

int[] tennisCourts = { 0, 1 };
var members = context.Members
                        .SelectMany(x => x.Bookings)
                        .Where(booking => tennisCourts.Contains(booking.Facility.FacId))
                        .Select(booking => new
                        {
                            Member = booking.Member.FirstName + " " + booking.Member.Surname,
                            Facility = booking.Facility.Name
                        })
                        .Distinct()
                        .OrderBy(x => x.Member)
                        .ToList();

var date1 = new DateTime(2012, 09, 14);
var date2 = new DateTime(2012, 09, 15);

var items = context.Members
                        .SelectMany(x => x.Bookings)
                        .Where(booking => booking.StartTime >= date1 && booking.StartTime < date2
                        && (
                            (((booking.Slots * booking.Facility.GuestCost) > 30) && (booking.MemId == 0)) ||
                            (((booking.Slots * booking.Facility.MemberCost) > 30) && (booking.MemId != 0))
                        ))
                        .Select(booking => new
                        {
                            Member = booking.Member.FirstName + " " + booking.Member.Surname,
                            Facility = booking.Facility.Name,
                            Cost = booking.MemId == 0 ?
                                        booking.Slots * booking.Facility.GuestCost
                                        : booking.Slots * booking.Facility.MemberCost
                        })
                        .Distinct()
                        .OrderByDescending(x => x.Cost)
                        .ToList();

var members = context.Members
                        .Select(member =>
                        new
                        {
                            Member = member.FirstName + " " + member.Surname,
                            Recommender = context.Members
                                .Where(recommender => recommender.MemId == member.RecommendedBy)
                                .Select(recommender => recommender.FirstName + " " + recommender.Surname)
                                .FirstOrDefault() ?? ""
                        })
                        .Distinct()
                        .OrderBy(member => member.Member)
                        .ToList();

var date1 = new DateTime(2012, 09, 14);
var date2 = new DateTime(2012, 09, 15);

var items = context.Members
                        .SelectMany(x => x.Bookings)
                        .Where(booking => booking.StartTime >= date1 && booking.StartTime < date2)
                        .Select(booking => new
                        {
                            Member = booking.Member.FirstName + " " + booking.Member.Surname,
                            Facility = booking.Facility.Name,
                            Cost = booking.MemId == 0 ?
                                        booking.Slots * booking.Facility.GuestCost
                                        : booking.Slots * booking.Facility.MemberCost
                        })
                        .Where(x => x.Cost > 30)
                        .Distinct()
                        .OrderByDescending(x => x.Cost)
                        .ToList();

namespace Service.Interfaces
{
    public interface IGenericService<T> 
    {
        void AddOrUpdate(T entity);
        void Delete(T entity);
        T Find(Func<T, bool> predicate);
        T GetLast(Func<T, bool> predicate);
        IList<T> GetAll();
        IList<T> GetAll(Func<T, bool> predicate);
        IList<T> GetAll(Expression<Func<T, object>> orderby);
        IList<T> GetAll(Func<T, bool> predicate, Expression<Func<T, object>> orderby);

        Task<List<T>> GetAllAsync();
        Task<List<T>> GetAllAsync(Func<T, bool> predicate);
        Task<List<T>> GetAllAsync(Expression<Func<T, object>> orderby);
        Task<List<T>> GetAllAsync(Func<T, bool> predicate, Expression<Func<T, object>> orderby);

        int Count();
        int Count(Func<T, bool> predicate);
    }
}

public interface IBookGroupService:IGenericService<BookGroup>
    {
    }

public class EFGenericService<TEntity> : IGenericService<TEntity>
         where TEntity : class
    {
        protected IUnitOfWork _uow;
        protected IDbSet<TEntity> _tEntities;

        public EFGenericService(IUnitOfWork uow)
        {
            _uow = uow;
            _tEntities = _uow.Set<TEntity>();
        }


        public void AddOrUpdate(TEntity entity)
        {
             _tEntities.AddOrUpdate(entity);
        }

        public virtual void Delete(TEntity entity)
        {
            _tEntities.Remove(entity);
        }

        public virtual TEntity Find(Func<TEntity, bool> predicate)
        {
            return _tEntities.Where(predicate).FirstOrDefault();
        }

        public virtual TEntity GetLast(Func<TEntity, bool> predicate)
        {
            return _tEntities.Where(predicate).Last();
        }


        public virtual IList<TEntity> GetAll()
        {
            return _tEntities.ToList();
        }

        public virtual IList<TEntity> GetAll(Func<TEntity, bool> predicate)
        {
            return _tEntities.Where(predicate).ToList();
        }

        public virtual IList<TEntity> GetAll(Expression<Func<TEntity, object>> @orderby)
        {
            return _tEntities.OrderBy(@orderby).ToList();
        }

        public virtual IList<TEntity> GetAll(Func<TEntity, bool> predicate, Expression<Func<TEntity, object>> @orderby)
        {
            return _tEntities.OrderBy(@orderby).Where(predicate).ToList();
        }

        public async Task<List<TEntity>> GetAllAsync()
        {
           return await Task.Run(() => _tEntities.ToList());
        }

        public async Task<List<TEntity>> GetAllAsync(Func<TEntity, bool> predicate)
        {
          return await Task.Run(() => _tEntities.Where(predicate).ToList());
        }

        public async Task<List<TEntity>> GetAllAsync(Expression<Func<TEntity, object>> @orderby)
        {
           return await Task.Run(() => _tEntities.OrderBy(@orderby).ToList());
        }

        public async Task<List<TEntity>> GetAllAsync(Func<TEntity, bool> predicate, Expression<Func<TEntity, object>> @orderby)
        {
           return await Task.Run(()=> _tEntities.OrderBy(@orderby).Where(predicate).ToList());
        }

        public virtual int Count()
        {
            return _tEntities.Count();
        }

        public virtual int Count(Func<TEntity, bool> predicate)
        {
            return _tEntities.Count(predicate);
        }
    }

public class EFBorrowService:EFGenericService<Borrow>,IBorrowService
    {
        public EFBorrowService(IUnitOfWork uow) : base(uow)
        {
        }
    }

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using System.Collections;
using System.Web;
using System.Web.UI;
using StructureMap;

namespace DI05.Core
{
    /// <summary>
    /// تسهیل در کار تزریق خودکار وابستگی‌ها در سطح فرم‌ها و یوزرکنترل‌ها
    /// </summary>
    public class StructureMapModule : IHttpModule
    {
        public void Dispose()
        { }

        public void Init(HttpApplication app)
        {
            app.PreRequestHandlerExecute += (sender, e) =>
            {
                var page = HttpContext.Current.Handler as Page; // The Page handler
                if (page == null)
                    return;

                WireUpThePage(page);
                WireUpAllUserControls(page);
            };
        }

        private static void WireUpAllUserControls(Page page)
        {
            // در اینجا هم کار سیم کشی یوزر کنترل‌ها انجام می‌شود
            page.InitComplete += (initSender, evt) =>
            {
                var thisPage = (Page)initSender;
                foreach (Control ctrl in getControlTree(thisPage))
                {
                    // فقط یوزر کنترل‌ها بررسی شدند
                    // اگر نیاز است سایر کنترل‌های قرار گرفته روی فرم هم بررسی شوند شرط را حذف کنید
                    if (ctrl is UserControl)
                    {
                        ObjectFactory.BuildUp(ctrl);
                    }
                }
            };
        }

        private static void WireUpThePage(Page page)
        {
            ObjectFactory.BuildUp(page); // برقراری خودکار سیم کشی‌ها در سطح صفحات
        }

        private static IEnumerable getControlTree(Control root)
        {
            foreach (Control child in root.Controls)
            {
                yield return child;
                foreach (Control ctrl in getControlTree(child))
                {
                    yield return ctrl;
                }
            }
        }
    }
}

<?xml version="1.0"?>
<configuration>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />

    <httpModules>
      <add name="StructureMapModule" type="DI05.Core.StructureMapModule"/>
    </httpModules>
  </system.web>

  <system.webServer>    
    <modules runAllManagedModulesForAllRequests="true">
      <add name="StructureMapModule" type="DI05.Core.StructureMapModule"/>
    </modules>
    <validation validateIntegratedModeConfiguration="false" />
  </system.webServer>
</configuration>

namespace DI05.Services
{
    public interface IUsersService
    {
        string GetUserEmail(int id);
    }
}


namespace DI05.Services
{
    public class UsersService: IUsersService
    {
        public string GetUserEmail(int id)
        {
            //فقط جهت بررسی تزریق وابستگی‌ها
            return "test@test.com";
        }
    }
}

using System;
using StructureMap;
using DI05.Services;

namespace DI05
{
    public class Global : System.Web.HttpApplication
    {
        private static void initStructureMap()
        {
            ObjectFactory.Initialize(x =>
            {
                x.For<IUsersService>().Use<UsersService>();

                x.SetAllProperties(y =>
                {
                    y.OfType<IUsersService>();
                });
            });
        }

        protected void Application_Start(object sender, EventArgs e)
        {
            initStructureMap();
        }

        void Application_EndRequest(object sender, EventArgs e)
        {
            ObjectFactory.ReleaseAndDisposeAllHttpScopedObjects();
        }
    }
}

using System;
using DI05.Services;

namespace DI05
{
    public partial class Default : System.Web.UI.Page
    {
        public IUsersService UsersService { set; get; }

        protected void Page_Load(object sender, EventArgs e)
        {
            lblEmail1.Text = string.Format("From Default Page: {0}", UsersService.GetUserEmail(1));
        }
    }
}

PM> Install-Package structuremap.web

 public T GetFromQueryString<T>(RequestType type=RequestType.GET) where T : new()
        {
            var obj = new T();
            var properties = typeof(T).GetProperties();

            var queries =new NameValueCollection();
            if(type==RequestType.GET)
                queries= HttpContext.Current.Request.QueryString;
            else
            {
                queries = HttpContext.Current.Request.Form;
            }

            foreach (var property in properties)
            {
                foreach (Attribute attribute in property.GetCustomAttributes(true))
                {
                    var requestBodyField = attribute as RequestBodyField; 
                    if (requestBodyField == null) continue;

                    //get value of query string
                    var valueAsString = queries[requestBodyField.Field];

                    if (valueAsString == null)
                    {
                        var keys = from key in queries.AllKeys where key.StartsWith(requestBodyField.Field) select key;

                        if(!keys.Any())
                            continue;

                        var collection = new NameValueCollection();

                        foreach (var key in keys)
                        {
                            var openBraketIndex = key.IndexOf("[", StringComparison.Ordinal);
                            var closeBraketIndex = key.IndexOf("]", StringComparison.Ordinal);

                            if (openBraketIndex < 0 || closeBraketIndex < 0)
                                throw new Exception("query string is crupted.");

                            openBraketIndex++;
                            //get key in [...]
                            var fieldName = key.Substring(openBraketIndex, closeBraketIndex - openBraketIndex);
                            collection.Add(fieldName, queries[key]);
                        }
                        property.SetValue(obj, collection, null);
                        continue;
                    }

                    var converter = TypeDescriptor.GetConverter(property.PropertyType);
                    var value = converter.ConvertFrom(valueAsString);

                    if (value == null)
                        continue;

                    property.SetValue(obj, value, null);
                }
            }
            return obj;
        }

namespace jQueryMvcSample02.Models
{
    public class BlogPost
    {
        public int Id { set; get; }
        public string Title { set; get; }
        public string Body { set; get; }
    }
}

using System.Collections.Generic;
using System.Linq;
using jQueryMvcSample02.Models;

namespace jQueryMvcSample02.DataSource
{
    public static class BlogPostDataSource
    {
        private static IList<BlogPost> _cachedItems;
        /// <summary>
        /// با توجه به استاتیک بودن سازنده کلاس، تهیه کش، پیش از سایر فراخوانی‌ها صورت خواهد گرفت
        /// باید دقت داشت که این فقط یک مثال است و چنین کشی به معنای
        /// تهیه یک لیست برای تمام کاربران سایت است
        /// </summary>
        static BlogPostDataSource()
        {
            _cachedItems = createBlogPostsInMemoryDataSource();
        }

        /// <summary>
        /// هدف صرفا تهیه یک منبع داده آزمایشی ساده تشکیل شده در حافظه است
        /// </summary>        
        private static IList<BlogPost> createBlogPostsInMemoryDataSource()
        {
            var results = new List<BlogPost>();
            for (int i = 1; i < 30; i++)
            {
                results.Add(new BlogPost { Id = i, Title = "عنوان " + i, Body = "متن ... متن ... متن " + i });
            }
            return results;
        }

        /// <summary>
        /// پارامترهای شماره صفحه و تعداد رکورد به ازای یک صفحه برای صفحه بندی نیاز هستند
        /// شماره صفحه از یک شروع می‌شود
        /// </summary>
        public static IList<BlogPost> GetLatestBlogPosts(int pageNumber, int recordsPerPage = 4)
        {
            var skipRecords = pageNumber * recordsPerPage;
            return _cachedItems
                        .OrderByDescending(x => x.Id)
                        .Skip(skipRecords)
                        .Take(recordsPerPage)
                        .ToList();
        }
    }
}

using System.Linq;
using System.Web.Mvc;
using System.Web.UI;
using jQueryMvcSample02.DataSource;
using jQueryMvcSample02.Security;

namespace jQueryMvcSample02.Controllers
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            //آغاز کار با صفحه صفر است
            var list = BlogPostDataSource.GetLatestBlogPosts(pageNumber: 0);
            return View(list); //نمایش ابتدایی صفحه
        }

        [HttpPost]
        [AjaxOnly]
        [OutputCache(Location = OutputCacheLocation.None, NoStore = true)]
        public virtual ActionResult PagedIndex(int? page)
        {
            var pageNumber = page ?? 0;
            var list = BlogPostDataSource.GetLatestBlogPosts(pageNumber);
            if (list == null || !list.Any())
                return Content("no-more-info"); //این شرط ما است برای نمایش عدم یافتن رکوردها

            return PartialView("_ItemsList", list);
        }

        [HttpGet]
        public ActionResult Post(int? id)
        {
            if (id == null)
                return Redirect("/");

            //todo: show the content here
            return Content("Post " + id.Value);
        }
    }
}

@model IList<jQueryMvcSample02.Models.BlogPost>
<ul>
    @foreach (var item in Model)
    {
        <li>
            <h5>
                @Html.ActionLink(linkText: item.Title,
                                 actionName: "Post",
                                 controllerName: "Home",
                                 routeValues: new  { id = item.Id },
                                 htmlAttributes: null)
            </h5>
            @item.Body
        </li>
    }
</ul>

@model IList<jQueryMvcSample02.Models.BlogPost>
@{
    ViewBag.Title = "Index";
    var loadInfoUrl = Url.Action(actionName: "PagedIndex", controllerName: "Home");
}
<h2>
    اسکرول نامحدود</h2>
@{ Html.RenderPartial("_ItemsList", Model); }
<div id="MoreInfoDiv">
</div>
<div align="center" style="margin-bottom: 9px;">
    <span id="moreInfoButton" style="width: 90%;" class="btn btn-info">بیشتر</span>
</div>
<div id="ProgressDiv" align="center" style="display: none">
    <br />
    <img src="@Url.Content("~/Content/images/loadingAnimation.gif")" alt="loading..."  />
</div>
@section JavaScript
{
    <script type="text/javascript">
        $(document).ready(function () {
            $("#moreInfoButton").InfiniteScroll({
                moreInfoDiv: '#MoreInfoDiv',
                progressDiv: '#ProgressDiv',
                loadInfoUrl: '@loadInfoUrl',
                loginUrl: '/login',
                errorHandler: function () {
                    alert('خطایی رخ داده است');
                },
                completeHandler: function () {
                    // اگر قرار است روی اطلاعات نمایش داده شده پردازش ثانوی صورت گیرد
                },
                noMoreInfoHandler: function () {
                    alert('اطلاعات بیشتری یافت نشد');
                }
            });
        });
    </script>
}

// <![CDATA[
(function ($) {
    $.fn.InfiniteScroll = function (options) {
        var defaults = {
            moreInfoDiv: '#MoreInfoDiv',
            progressDiv: '#Progress',
            loadInfoUrl: '/',
            loginUrl: '/login',
            errorHandler: null,
            completeHandler: null,
            noMoreInfoHandler: null
        };
        var options = $.extend(defaults, options);

        var showProgress = function () {
            $(options.progressDiv).css("display", "block");
        }

        var hideProgress = function () {
            $(options.progressDiv).css("display", "none");
        }       

        return this.each(function () {
            var moreInfoButton = $(this);
            var page = 1;
            $(moreInfoButton).click(function (event) {
                showProgress();
                $.ajax({
                    type: "POST",
                    url: options.loadInfoUrl,
                    data: JSON.stringify({ page: page }),
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    complete: function (xhr, status) {
                        var data = xhr.responseText;
                        if (xhr.status == 403) {
                            window.location = options.loginUrl;
                        }
                        else if (status === 'error' || !data) {
                            if (options.errorHandler)
                                options.errorHandler(this);
                        }
                        else {
                            if (data == "no-more-info") {
                                if (options.noMoreInfoHandler)
                                    options.noMoreInfoHandler(this);
                            }
                            else {
                                var $boxes = $(data);
                                $(options.moreInfoDiv).append($boxes);
                            }
                            page++;
                        }
                        hideProgress();
                        if (options.completeHandler)
                            options.completeHandler(this);
                    }
                });
            });
        });
    };
})(jQuery);
// ]]>