ViewState and Server.Transfer Best practices
Above statement will cause ViewState is invalid exception
By default EnableViewStateMac is set to true, and hence on every page life cycle , it tries to validate the value of the ViewState(for security reason) ,which is a part of forms collection(__ViewState - hidden field) and by ViewState design at any given point you can post to only one form...Hence in the prior case , it tries to compare the ViewState of the source with the destiny and hence the above mismatch happens
Best practices to Transfer the control to the other page without affecting the view state
- The Second parameter in the above statement is set to false , Hence it is not preserving the prvious page folrms collections..
Passing Server control value between pages
I hope this helps!.