The .NET Standard is a formal specification of .NET APIs that are intended to be available on all .NET implementations. The motivation behind the .NET Standard is establishing greater uniformity in the .NET ecosystem. ECMA 335 continues to establish uniformity for .NET implementation behavior, but there's no similar spec for the .NET Base Class Libraries (BCL) for .NET library implementations.

ASP.NET Core is a brand new cross-platform web framework built with .NET Core framework.It is not an update to existing ASP.NET framework. It is a complete rewrite of the ASP.NET framework. It was built from scratch in the effort to make a modular, scalable, super fast, configurable, cross-platform and easily extended web framework.

.NET Core has two major components. It includes a small runtime that is built from the same codebase as the .NET Framework CLR. The .NET Core runtime includes the same GC and JIT (RyuJIT), but doesn’t include features like Application Domains or Code Access Security. The runtime is delivered via NuGet, as part of the [ASP.NET Core] package.

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Uploading file or image in ASP.NET Core is very easy. ASP.NET MVC actions support uploading of one or more files using simple model binding for smaller files or streaming for larger files. In this article we will learn how to upload any file in ASP.NET Core. We will see how can we use different features of ASP.NET Core to upload small file as well as any large file.

CSRF attacks are possible against web sites that use cookies for authentication, because browsers send all relevant cookies to the destination web site. However, CSRF attacks are not limited to exploiting cookies. For example, Basic and Digest authentication are also vulnerable. After a user logs in with Basic or Digest authentication, the browser automatically sends the credentials until the session ends.

Razor Pages is a new feature of ASP.NET Core MVC that makes coding page-focused scenarios easier and more productive. One of new features of ASP.NET Core 2.0 is support for Razor Pages. Yes, those same pages that came times ago with WebMatrix. Today Razor Pages is subset of MVC on ASP.NET Core. Yes, support for Razor Pages comes with ASP.NET Core MVC meaning that Razor Pages application is technically MVC application. Also Razor Pages have same features as MVC views.

This tutorial teaches the basics of building an ASP.NET Core Razor Pages web app. We recommend you complete Introduction to Razor Pages before starting this tutorial. Razor Pages is the recommended way to build UI for web applications in ASP.NET Core.

In our real world of application development, sometimes we need to create dynamic pages in our application. In this article, we will learn about creating the dynamic pages in asp.net mvc. It is suggested to read MVC Url rewriting , if you haven’t idea about MVC Url rewriting or MVC Url Routing.

Microsoft had launched Visual Studio 2015 Preview. Let try to know what's new in this release and point you more details. One of the other large announcements today is that we will open source the full server-side .NET core stack from ASP.NET 5 to the CLR and BCL and this version will run on Linux and MacOS X as well as Windows.

Since the majority of initial comments tend to be questions about supported configurations, I’ll put this up front: before you try to upgrade from Visual Studio "14" CTPs to Visual Studio 2015 Ultimate Preview, first uninstall Visual Studio "14" CTP – if you don’t, your system can wind up in an unstable state.

TempData in Asp.Net MVC is one of the very useful feature. It is used to pass data from current request to subsequent request. In other words if we want to send data from one page to another page while redirection occurs, we can use TempData, but we need to do some consideration in code to achieve this feature in MVC. Because the life of TempData is very short and lies only till the target view is fully loaded. But, we can use Keep() method to persist data in TempData.