Installation - SignalR
SignalR is a real-time messaging library that enables the communication between client and server using websockets. It allows sending messages from the server to the client in real-time. Follow the below mentioned steps to install SignalR.
Syntax
To install SignalR, follow the below mentioned command:
PM> Install-Package Microsoft.AspNet.SignalR
Example
public class ChatHub : Hub
{
public void Send(string name, string message)
{
Clients.All.broadcastMessage(name, message);
}
}
Output
After the installation, SignalR will be available as a reference in the project. You can then use SignalR to send and receive messages in real-time.
Explanation
SignalR can be installed using the Package Manager Console in Visual Studio by running the above-mentioned command. It requires Microsoft.AspNet.SignalR package to be installed. The above example shows a simple ChatHub that will broadcast a message to all clients connected to the hub.
Use
SignalR is used to create real-time messaging applications that require real-time communication between client and server. It can be used for several purposes, including chat applications, real-time dashboard updates, and real-time gaming applications.
Important Points
- SignalR requires .NET Framework 4.5 or above to be installed on the system.
- SignalR supports several transport protocols, including websockets, long polling, and server-sent events.
- SignalR allows users to send and receive messages in real-time between client and server.
- SignalR requires less server-side infrastructure and less code to manage as compared to other real-time web technologies.
Summary
SignalR is a popular real-time messaging library that enables communication between client and server. It allows sending and receiving messages in real-time, making it an ideal solution for applications that require real-time communication, such as chat applications and real-time dashboards. To install SignalR, use the Package Manager Console in Visual Studio and run the above-mentioned command.