What is State management?What is use of Statemanagement?

Statemanagement:Statemanagement is nothing but maintain the User Information on Clentside and Sever Side.Main Use of the Statemanage is It not Allocated Any Memory on clien side and Sever side.
1)Cient Side Statemanagement:
Cookies,Htmlhidden field,ViewState,QuryString.
2)Server side Statemanagement:
Session,Application,Caching,Profiles

Hi

State management maintained the serverside and clientside information.

there are two types of State management

1) Serverside state management.

2) Clientside state management.

And Serverside state management contained .

a) Session.

b) Application.

c) Caching.

d) profile. 

And Clientside state management contained.

a) Query string.

b) Hidden field.

c) Cookies

d) View state.

  Thanks.