State Management in Asp.net:
State Management: To manage the state of Web Pages/ User Data
we use the state management technique. The reason to manage state is that
browser and HTTP/HTTPs are stateless. Each time when user send request to the
web server a new object of the page is created.
We can manage the state at different level:
1.
Control Level: All controls in asp.net have automatic
state management.
2.
Object or Variable Level: For variable in a page
need object or variable level state management.
3.
Single or Multiple Page Level: In case of page
requests
4.
User Level: Manage state as long as user is
active on the application.
5.
Application Level: Manage state irrespective of
user. It will be available to all users.
6.
Application to Application Level: Manage state among
multiple applications.
We can manage the state in asp.net in the following ways:
1.
Client Side State Management: In this type of
state management all information related to state are stored at client machine or
in the page user is looking into. Server does not store any information b/w
client to server round trip.
There are multiple ways to manage state at
client side:
a)
View State
b)
Control State
c)
Hidden Field
d)
Cookies
e)
Query String
2.
Server Side State Management: In this type of
state management all information related to state are stores at server machine.
Server sends less information to client.
a)
Application State
b)
Session State
There are three modes (ways) to manage Session State:
i)
In Proc
ii)
State Server
iii)
SQL Server
