#Define session in asp.net how to#
#Define session in asp.net code#

Since the session cookie is stored in the browser, the data in that session is tied to the browser and that browser only. A new session cookie will automatically be created if it doesn't exist already. You store and retrieve the data by a key of your choice.

The session state is saved as a key-value pair. That is where the session object resides. The HttpContext, as the name implies, gets the context of the current HTTP request. You can use the terminal and run these commands: The first step is to create the ASP.NET Core MVC app.

#Define session in asp.net how to#

How to add Session State to ASP.NET Core Create the ASP.NET Core MVC app Now, let’s see how to implement a session state in an ASP.NET Core app. The default session state version in ASP.NET Core stores the session data in the memory (RAM) of the web server. A session state keeps the data as long as the cookie is configured to last. It creates and stores an identifier in a cookie, which is then used to retrieve the session data on the server. A session state is a mechanism for the storage of user data across the application. Sessions are one of the several ways to manage state in an ASP.NET Core application. For example, on an e-commerce website, this data can help to store products in a shopping cart. This data can help to remember their recent actions. But sometimes it's essential to hold onto user data while users are browsing your website. The HTTP protocol is, by default, stateless. Please refer to the Redis documentation according to your OS.

#Define session in asp.net code#

A code editor or IDE (Recommended: Visual Studio Code with the C# plugin, Visual Studio, or JetBrains Rider).NET 6.0 SDK (newer and older versions may work too) You will need the following to realize the project in this article: Then, you will see the limitations of the default session and how to get beyond them by distributing your sessions. Services.AddMvc() services.AddCaching() services.In this article, you will learn what sessions are and how to use them in your ASP.NET Core applications. public void ConfigureServices( IServiceCollection services) You do this in the ConfigureServices method of the Startup class ( Startup.cs file). Now that the packages are available to your application, you can opt in to using them. You should see 'Restoring.' appear next to the References node in Solution Explorer and the session package being added. To make them available to your application, add the following entries to the dependencies node of your project.json file: '' : '1.0.0l' , In-memory storage is also available as an optional package called. When you use session management, you also need a persistence mechanism for session variables. Session management in ASP.NET Core is delivered via a pluggable component, or 'middleware' and is available in a Nuget package called. It might be their name, or a discount level they are entitled to, or anything that you don't want to repeatedly query a database for. The type of data you will use session state for is anything that relates to the current user. This article is only interested in the in-memory option. In most cases, they are stored in server memory, although options exist for using persistent and/or distributed storage mechanisms if, for example, you are using multiple web servers for your application (web farm etc). These values can be stored for the duration of the visitor's session on your site. If you are new to ASP.NET, session state is a mechanism that enables you to store and retrieve user specific values temporarily.