What is a session variable

what is a session variable

How to Read/Write the Session variables in ASP.NET

Session variables are special variables that exist only while the user's session with your application is active. Session variables are specific to each visitor to your site. They are used to store user-specific information that needs to be accessed by multiple pages in a web application. Session Variables- The session variables are variables maintained on server side by gooddatingstory.com runtime. Each user is identified by a a unique number called SessioID. This session is stored in a cookie (if browser supports cookie) on client side after the first user request. when the client posts back a page, this cookie is available in the request header.

I have 2 double and one boolean variable which unfortunately get reset every time I click a button on my website. I heard this can be mitigated by using session variables though I don't know how. I read somewhere that session variables can be stored using:. BTW, I'm a real beginner at this so if you could really explain what is going on and how exactly it can be implemented, that would help a lot.

But are you sure that sessions are the best option to you? If you want store informations that will be used only for 1 page, you can use ViewState, if you want share those informations between pages, perhaps you can use a Cache. Take a look in google, about ViewState x Cache x Session, and look wich one fix better for you shat. The Session class is similar to a dictionary of key type string and value type object. This allows you to store a variable variabpe any type and refer to it later by name.

So let's say you assign your variables as follows. In a later page view in the same session, you will variab,e access to these values and can view them in the following manner. The session variables are exposed through the Session property of the Page object. The session variables are indexed by the name of the variable or by an integer index.

Session variables are created by referring to the session variable by name. You do not have to declare a session variable or explicitly add it to the collection. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Visual C. Sign in to vote. I read somewhere that session variables can be what is cheating on a spouse using: Session.

Add "string", variable ; but I don't know how this actually can be used. Monday, July 9, PM. Add "myvar1", false ; Session. Hi, The session variables are exposed through the Session property of the Page object. ToString ; Lakshman.

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24 rows · Session variables are primarily used when authenticating users against external . Session variables solve this problem by storing user information to be used across multiple pages (e.g. username, favorite color, etc). By default, session variables last until the user closes the browser. So; Session variables hold information about one single user, and are available to all pages in one application. Feb 16,  · Session variables are a way to store data about a user in a database and retrieve it later. Cookies are a way to store data about a user on the user's computer. Session variables are typically used in applications that need to keep track of a user's gooddatingstory.com: Sajal Soni.

Understanding Session Variables. This section explains the concept of a session and session variables, and how they are used in RPGsp.

What Is a Session? A user's session with your web application begins when they first launch the application in a web browser. Users are assigned a unique session ID that identifies them to your application. The session ends when the browser window is closed, or when the user has not requested a page in a very long time. Retrieving the Session ID. The session ID is a 16 character string that is unique to each user.

What Are Session Variables? Session variables are special variables that exist only while the user's session with your application is active. Session variables are specific to each visitor to your site. They are used to store user-specific information that needs to be accessed by multiple pages in a web application.

In browser applications, each request for a page is completely independent of earlier requests. If you want subsequent pages to remember things like a user id that was entered on the sign-on page, you can store it in a session variable to be retrieved later. Once the user has logged off, all session variables are gone.

Session variables are commonly used to store information such as user preferences and privileges. Another advantage of using session variables is that the values are not shown in the query string.

For this reason, session variables are commonly used to store sensitive information such as the current user id and password. When the session ends, either from the user closing the browser or due to a time-out, the session variables are cleared.

Saving and Accessing Session Variables. This function allows you to store either a literal value or the value of an RPG field in a session variable. The variable will exist as long as the user's session is active. RPGsp provides two storage methods for saving and accessing session variables:.

Method 1 Session Cookies. This is the default method that RPGsp will use for storing and retrieving session variables. The values are actually stored in special session cookies on the client. This method is faster than database storage, but has a limitation of 20 different session variable names and values. If your application uses more than 20 session variables, you should use the database storage method. Please Note: If you create more than 20 session variables using this method, you will begin to overwrite your previously defined session variables.

Method 2 Database Storage. This method uses a database file on the iSeries for storing and retrieving session variables. With this method, there is no limitation on the number of session variables that you can use in your applications.

To enable database storage for session variables:. The call only needs to be made once per page, and is coded like this:. Please note: If you choose to use database storage for session variables, make sure to call RPGspInitL in each page of your application.

Session variables need to be stored in and retrieved from the same location by all pages in order to function properly. Profound Logic Software, Inc.





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