Difference between client side state management and server side state management?

In Client-Side State Management, the state related
information will directly get stored on the client-side. In other words, This maintains information on the client's machine using Cookies, View State, and Query Strings.
In Server side state management, all the information is stored in the user
memory. Due to this functionality there is more secure domains at the
server side in comparison to Client-Side State Management. In other words, This kind of mechanism retains state in the server.
Client side state management is less secure than server side


For more information, check the following link

ASP.NET Client-side state management and Server-side state management


http://msdn.microsoft.com/en-us/library/75x4ha6s.aspx

refer below articles:-

State Management in ASP.NET - Introduction[^]
A Beginner's Tutorial on ASP.NET State Management[^]