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Instructions for a lab exercise in internet application development focused on using view state and securing it. Students are asked to implement a simple program that uses view state to store and retrieve a counter value, and to consider how the counter value would behave when accessed from different browser windows or clients. The document also instructs students to extend the program to make the view state secure, referring to page 306 of the textbook for the technique.
Typology: Exercises
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Internet Application Development
Lab No: 5 (27th^ March 2012)
Using View State
Refer to the textbook example given at Page 304.
Implement a simple program that uses viewstate to store and retrieve counter value. Whenever Increment button is clicked Counter should be incremented by 1?
If this page is accessed using different browser windows, or from more than one clients, whether the counter value would be same, or it would be different at different time instants? Give reason for the observation?
Extend the program implemented above and make the View State secure? Refer to Page 306 of the textbook for the technique of securing?