ASP.NET Core 1.0 (formerly ASP.NET 5) provides a revamped Web development framework geared towards the requirements of modern Web applications. The new framework, currently in RC1, requires you to learn many new concepts not found in ASP.NET MVC 5. To that end, this article enumerates a few important features that ASP.NET MVC 5 developers should know as they prepare to learn this new framework. 

public class Student
{
    [JsonPropertyName("id")]
    public int Id { get; set; }

    [JsonPropertyName("name")]
    public string Name { get; set; }
}

public class WeatherForecast
{
    [Required]
    public int TemperatureC { get; set; }

    [MinLength(50)]
    public string Summary { get; set; }
}

[AttributeUsage(AttributeTargets.Class)]
public class CustomDoNothingAttribute: Attribute
{
    // Note the type parameter in the constructor
    public CustomDoNothingAttribute(Type t)
    {
        ParamType = t;
    }

    public Type ParamType { get; }
}

[CustomDoNothing(typeof(string))]
public class Student
{
    public int Id { get; set; }

    public string Name { get; set; }
}

[AttributeUsage(AttributeTargets.Class)]
public class CustomDoNothingAttribute<T> : Attribute
    where T : class
{
    public T ParamType { get; }
}

[CustomDoNothing<string>]
public class Student
{
    public int Id { get; set; }

    public string Name { get; set; }
}

[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
public class DecorateAttribute<T> : Attribute where T : class
{
    // ....
}

[Decorate<LoggerDecorator>]
[Decorate<TimerDecorator>]
public class SimpleWorker
{
    // ....
}

public class GenericAttribute<T> : Attribute { }

public class GenericType<T>
{
    [GenericAttribute<T>] // Not allowed! generic attributes must be fully constructed types.
    public string Method1() => default;

    [GenericAttribute<string>]
    public string Method2() => default;
}

namespace MvcHealthCheckTest.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult ViewDetails()
        {
            return View();
        }

<a asp-controller="Home" asp-action="ViewDetails">View Details</a>

 https://localhost:5001/Home/ViewDetails

using System.Text.RegularExpressions;
using Microsoft.AspNetCore.Routing;

public class CustomUrlTransformer : IOutboundParameterTransformer
{
    public string TransformOutbound(object value)
    {
        return value == null ? null : Regex.Replace(value.ToString(), "([a-z])([A-Z])", "$1-$2");
    }
}

namespace MvcTest
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
    // ...
            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
            services.AddRouting(option =>
                        {
                            option.ConstraintMap.Add(key: "transformer1", value: typeof(CustomUrlTransformer));
                            option.LowercaseUrls = true;
                        });
        }

namespace MvcTest
{
    public class Startup
    {
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
    // ...
            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller:transformer1}/{action:transformer1}/{id?}",
                    defaults: new { controller = "Home", action = "Index" }
                    );
            });
        }

app.UseMvc(routes =>
{
    routes.MapRoute(
        name: "default",
        template: "{controller:transformer1=Home}/{action:transformer1=Index}/{id?}"
    );
});

https://localhost:5001/home/view-details

Welcome to this short introduction to Blazor! This new Microsoft framework uses a unique approach to leverage your existing C# and .NET skills to create single-page applications running in web browsers. The technology that makes this possible is called WebAssembly, an open standard supported directly by current browsers on desktop and mobile platforms. You write C# and Razor code instead of JavaScript, and the compiled app runs natively on the client.

Sample Source Code: https://github.com/DevExpress/blazor-training-samples  

To reduce allocations and memory usage when serializing Json.NET 8.0 adds a new IArrayPool interface. Json.NET is already very lean when it comes to allocations, working with raw characters on array buffers instead of allocated strings, but those buffers can easily grow large, and a new buffer is created each time JSON is read or written. IArrayPool allows array buffers to be reused, similar to connection pooling with a database, or thread pooling in .NET. 

columns: [
               {
                   field: "IsAvailable", title: "موجود است",
                   template: '<input type="checkbox" #= IsAvailable ? checked="checked" : "" # disabled="disabled" ></input>'
                }
]

    <!--دریافت اطلاعات از منبع محلی-->
    <script id="javascriptTemplate" type="text/x-kendo-template">
        <ul>
            # for (var i = 0; i < data.length; i++) { #
            <li>#= data[i] #</li>
            # } #
        </ul>
    </script>

    <div id="container1"></div>
    <script type="text/javascript">
        $(function () {
            var data = ['User 1', 'User 2', 'User 3'];
            var template = kendo.template($("#javascriptTemplate").html());
            var result = template(data); //Execute the template
            $("#container1").html(result); //Append the result
        });
    </script>

namespace KendoUI04.Models
{
    public class Product
    {
        public int Id { set; get; }
        public string Name { set; get; }
        public decimal Price { set; get; }
        public bool IsAvailable { set; get; }
    }
}

using System.Collections.Generic;
using System.Linq;
using System.Web.Http;
using KendoUI04.Models;

namespace KendoUI04.Controllers
{
    public class ProductsController : ApiController
    {
        public IEnumerable<Product> Get()
        {
            return ProductDataSource.LatestProducts.Take(10);
        }
    }
}

    <!--دریافت اطلاعات از سرور-->
    <div>
        <div id="container2"><ul></ul></div>
    </div>

    <script id="template1" type="text/x-kendo-template">
        <li> #=Id# - #:Name# - #=kendo.toString(Price, "c")#</li>
    </script>

    <script type="text/javascript">
        $(function () {
            var producatsTemplate1 = kendo.template($("#template1").html());

            var productsDataSource = new kendo.data.DataSource({
                transport: {
                    read: {
                        url: "api/products",
                        dataType: "json",
                        contentType: 'application/json; charset=utf-8',
                        type: 'GET'
                    }
                },
                error: function (e) {
                    alert(e.errorThrown);
                },
                change: function () {
                    $("#container2 > ul").html(kendo.render(producatsTemplate1, this.view()));
                }
            });
            productsDataSource.read();
        });
    </script>

/// <reference path="jquery.min.js" />
/// <reference path="kendo.all.min.js" />

 Tools menu –> Options -> Text Editor –> JavaScript –> Intellisense –> References

namespace CoreIocServices
{
    public interface IMyDisposableService
    {
        void Run();
    }

    public class MyDisposableService : IMyDisposableService, IDisposable
    {
        private readonly ILogger<MyDisposableService> _logger;

        public MyDisposableService(ILogger<MyDisposableService> logger)
        {
            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
            _logger.LogInformation("+ {0} was created", this.GetType().Name);
        }

        public void Run()
        {
            _logger.LogInformation("Running MyDisposableService!");
        }

        public void Dispose()
        {
            _logger.LogInformation("- {0} was disposed!", this.GetType().Name);
        }
    }
}

namespace CoreIocSample02
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddTransient<IMyDisposableService, MyDisposableService>();

namespace CoreIocSample02.Controllers
{
    public class HomeController : Controller
    {
        private readonly IMyDisposableService _myDisposableService;

        public HomeController(IMyDisposableService myDisposableService)
        {
            _myDisposableService = myDisposableService;
        }

        public IActionResult Index()
        {
            _myDisposableService.Run();
            return View();
        }

info: Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker[1]
      Route matched with {action = "Index", controller = "Home"}. Executing action CoreIocSample02.Controllers.HomeController.Index (CoreIocSample02)
info: CoreIocServices.MyDisposableService[0]
      + MyDisposableService was created
.
.
.  
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
      Executed endpoint 'CoreIocSample02.Controllers.HomeController.Index (CoreIocSample02)'
info: CoreIocServices.MyDisposableService[0]
      - MyDisposableService was disposed!
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[2]
      Request finished in 1316.4719ms 200 text/html; charset=utf-8

namespace CoreIocSample02
{
    public class Startup
    {
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            app.Use(async (context, next) =>
            {
                var writer = File.CreateText(Path.GetTempFileName());
                context.Response.RegisterForDispose(writer);
                context.Items["filewriter"] = writer;
                await writer.WriteLineAsync("some important information");
                await writer.FlushAsync();
                await next();
            });

namespace CoreIocSample02.Controllers
{
    public class HomeController : Controller
    {
        public async Task<IActionResult> WriteLog()
        {
            var writer = HttpContext.Items["filewriter"] as StreamWriter;
            if (writer != null)
            {
                await writer.WriteLineAsync("more important information");
                await writer.FlushAsync();
            }
            return View();
        }

using(var scope = serviceProvider.CreateScope())
{
   var provider = scope.ServiceProvider;
   var resolvedService = provider.GetRequiredService(someType);
   // Use resolvedService...
}

public void Configure(IApplicationBuilder app, 
                      ILoggerFactory loggerFactory, 
                      IServiceScopeFactory scopeFactory) 
{
   using (var scope = scopeFactory.CreateScope()) 
   { 
     var initializer = scope.ServiceProvider.GetService<IOperationScoped>(); 
     initializer.SeedAsync().Wait(); 
   } 
}

var myDisposableService = serviceProvider.GetService<IMyDisposableService>();
myDisposableService.Run();

var serviceCollection = new ServiceCollection();
ConfigureServices(serviceCollection);
var serviceProvider = serviceCollection.BuildServiceProvider();

namespace Microsoft.Extensions.DependencyInjection
{
    public sealed class ServiceProvider : IServiceProvider, IDisposable, IServiceProviderEngineCallback
    {
        public void Dispose();
        public object GetService(Type serviceType);
    }
}

namespace CoreIocSample01
{
    class Program
    {
        static void Main(string[] args)
        {
            var serviceCollection = new ServiceCollection();
            ConfigureServices(serviceCollection);
            using (var serviceProvider = serviceCollection.BuildServiceProvider())
            {
                var myDisposableService = serviceProvider.GetService<IMyDisposableService>();
                myDisposableService.Run();

                var testService = serviceProvider.GetService<ITestService>();
                testService.Run();
            }
        }