What are benefits & Limitation of Hidden fields?
The benefits of using Hidden fields are as shown below :-
1) They are very simple to implement.
2) As the data is cached on client side they work with Web Farms.
3) All the browsers support hidden field.
4) There are no server resources are required.
The limitations of using Hidden fields are as shown below:-
1) They can be tampered by creating a security hole.
2) The Page performance decreases if you store large data, as the data are stored in the pages itself.
3) The Hidden fields do not support rich structures as HTML hidden fields are only single valued. Then you have to work around with delimiters etc to handle the complex structures.
Below is how you will actually implement hidden field in a project