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How is form session state maintained in InfoPath?

Posted By :Sagar Pardeshi     Posted Date :November 30, 2013    Points :40   Category :SharePoint 
Sql server database:this approach is termed as using session state services.
Asp.net view stored in clients side:Termed form view

You can also find related Interview Question to How is form session state maintained in InfoPath?  below: 

Session state vs View state

  
In some cases, using view state is not feasible. The alternative for view state is session state. Session state is employed under the following situations:
. Large amounts of data - View state tends to increase the size of both the HTML page sent to the browser and the size of form posted back. Hence session state is used.
. Secure data - Though the view state data is encoded and may be encrypted, it is better and secure if no sensitive data is sent to the client. Thus, session state is a more secure option.
. Problems in serializing of objects into view state - View state is efficient for a small set of data. Other types like DataSet are slower and can generate a very large view state (More...)

Which typically consumes more memory: application state or session state?

  
Session state tends to use much more memory than application state, because copies of all variables are stored for each user. (More...)

Which might not work if a user has disabled cookies in his or her Web browser: application state or session state?

  
Session state, by default, won't work if a Web browser that supports cookies has cookies disabled. Application state isn't user-specific, though, and doesn't need to be tracked in cookies. Therefore, application state works regardless of cookies. (More...)

Which typically consumes more memory: application state or session state?

  
Session state tends to use much more memory than application state, because copies of all variables are stored for each user. (More...)

Which might not work if a user has disabled cookies in his or her Web browser: application state or session state?

  
Session state, by default, won't work if a Web browser that supports cookies has cookies disabled. Application state isn't user-specific, though, and doesn't need to be tracked in cookies. Therefore, application state works regardless of cookies (More...)

Session state vs. View state:

  
In some cases, using view state is not feasible. The alternative for view state is session state. Session state is employed under the following situations:
o Large amounts of data - View state tends to increase the size of both the HTML page sent to the browser and the size of form posted back. Hence session state is used.
o Secure data - Though the view state data is encoded and may be encrypted, it is better and secure if no sensitive data is sent to the client. Thus, session state is a more secure option.
o Problems in serializing of objects into view state - View state is efficient for a small set of data. Other types like DataSet are slower and can generate a very large view state. (More...)

How to update and retrieve value from a session state object?

  
To add or update a session state item use the following syntax,
[CODE]Session["Item Name"]= value;[/CODE]
Ex:- [CODE]Session["Name"]= Abhisek;[/CODE]
You can also pass a variable.

To to retrieve a session state items value use following ,
[CODE]String name=Session["Name"].ToString();[/CODE]
You can also retrieve to other formats according the session state item's data. (More...)

How to specify session state mode in ASP.NET ?

  
stateConnectionString="tcpip=192.168.100.100:420420"
sqlConnectionString="data source=192.168.100.100; Integrated
Security=SSPI"
cookieless="false"
timeout="20"
/> (More...)

What is Shrinking Session State in ASP.NET 4.0

  
In ASP.NET 4.0 we can compress session state data, for Session-state server
and Microsoft SQL server session mode, before serializing the session data so that network load to
transfer session data can be reduced.This can be done by setting the compressionEnable to true in
the web.config file as below:

mode="SqlServer"
sqlConnectionString="data source=Test;Initial Catalog=Test"
allowCustomSqlDatabase="true" compressionEnabled="true" /> (More...)

Differences between application and session.

  
The session object maintains state on a per client basis whereas the application object is on a per application basis and is consistent across all client requests. (More...)

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