Asp.NET Core is a cross-platform, high-performance, open-source framework for building modern, cloud-based, Internet-connected applications. With asp.NET Core, you can: Build web apps and services, IoT apps, and mobile backends; Use your favorite development tools on Windows, macOS, and Linux; Deploy to the cloud or on-premises; Run on .NET Core or .NET Framework. Millions of developers have used (and continue to use) asp.NET 4.x to create web apps. In this presentation we are going to talk about real time apps using these technology. Asp.NET Core

1. Developing real time
applications using
.NET Core
Afrim Kamberi

2. Contents
.NET Core
SignalR Core
SqlDependency
Demo

3. .NET Core
It’s the “new” cross platform version of .NET from Microsoft

4. .NET Core
Free to use and Open-Source

5. .NET Core
Higher performance than ASP.NET

6. .NET Core
It’s complete rewrite modular framework that combines into single programming
model two of earlier technologies ASP.NET MVC and ASP.NET Web API

7. Features to note
Write once execute everywhere

8. Features to note
No need to manually compile every time

9. Features to note
Modular framework distributed as NuGet packages

10. Features to note
Optimized for the internet

11. Features to note
Runs in IIS or Standalone

12. Features to note
Unified for building web UI and web API-s at the same time

13. Features to note
Cloud-ready environment based configuration system

14. Features to note
Light-weight and modular HTTP request pipeline

15. Features to note
Community focused

16. VS
ASP.NET ASP.NET Core
• Requires Windows • Cross platform

17. VS
ASP.NET ASP.NET Core
• Web Forms, Web
Pages, MVC
• Web Pages, MVC

18. VS
ASP.NET ASP.NET Core
• .NET Framework • .NET Core & .NET
Framework

19. VS
ASP.NET ASP.NET Core
• Separate based on
what project you are
working
• Unified syntax and
controllers

20. SignalR
Handles connection management automatically

21. SignalR
Sends messages to all connected clients at once

22. SignalR
Sends messages to specific client, or group of clients

23. SignalR
Scales to handle increasing traffic

24. SignalR
To achieve real time client-server communication uses one of below
•WebSockets
•Server-Sent events
•Long Polling
No need to worry it will select best method by itself, based on server
conditions

25. SqlDependenc
y
A .NET library that will detect changes done to an object in SQL Server
database, without having to manually keep checking if there is any change