Can we use session in WCF service?

Can we use session in WCF service?

Sessions and Service Instances. If you use the default instancing behavior in WCF, all calls between a WCF client object are handled by the same service instance. Therefore, at the application level, you can think of a session as enabling application behavior similar to local call behavior.

What is session in WCF?

In WCF, session is the way of managing the services instance(s) so that server can used these instances in an optimized way. At server side InstanceContext class is used to manage service class instance.

Is WCF stateless or stateful?

2 Answers. Per-call services are the Windows Communication Foundation default instantiation mode. So, by default, WCF services do not maintain state.

What is difference between session state and application state?

Application state is stored in memory on the server and is faster than storing and retrieving information in a database. Unlike session state, which is specific to a single user session, application state applies to all users and sessions.

What is a session in C#?

Sessions are used to maintain the state of user data throughout the application. It stores any type of object. Using the session, you can add variable values as well as any type of object such as object of class, list, datatable, etc. It is secure.

How many modes are of concurrency in WCF?

three concurrency modes
There are three concurrency modes available: Single : Each service instance processes one message at a time. This is the default concurrency mode. Multiple : Each service instance processes multiple messages concurrently.

What is concurrency mode in WCF?

Concurrency is the control of multiple threads active in an InstanceContext at any given time. WCF concurrency will help us to configure how WCF service instances can serve multiple requests at the same time. There are three basic types of concurrency supported by WCF 4.0: Single Concurrency Mode.

What is stateless and stateful in asp net?

Stateless means there is no memory of the past. Every transaction is performed as if it were being done for the very first time. Stateful means that there is memory of the past. Previous transactions are remembered and may affect the current transaction.

Why ASP NET is stateless?

Hyper Text Transfer Protocol (HTTP) is a stateless protocol. When the client disconnects from the server, the ASP.NET engine discards the page objects. This way, each web application can scale up to serve numerous requests simultaneously without running out of server memory.

What is ASP.NET session state?

ASP.NET session state enables you to store and retrieve values for a user as the user navigates ASP.NET pages in a Web application. This means that a Web server treats each HTTP request for a page as an independent request. The server retains no knowledge of variable values that were used during previous requests.

How session works in ASP NET MVC?

The client requests a web page in the application from the web server, then the server checks the SessionID value sent from the web browser. If the SessionID value is not supplied then ASP.NET starts a new session and the SessionID value for that session is sent to the browser with the response.