How to maintain page state (like or as if by ViewState) when page is not posted-back?

[Itzik]

The simple situation that works: A form (ASP 2.0 Page) with Page.MaintainSc rollPositionOnP ostBack set to True as well as Page.EnableView State defaults to True. As the form's data are submitted to server and page is rendered back, the form data as well as the page scroll positions are maintained. This is OK!

The complicated situation: After the form's data are submitted to server the page (let's call it X) is rendered back as usual, except that now upon 'onload' of the body (on the client side) - another page is called (let's call it Y) from a totally other different web-site. After the other page (Y) completes its processing it responds with redirecting to the first page (X). This causes the page X (the first page) to be called as if for the first time, and it is rendered back with none of the form's data that were posted to it previously, and with scroll positions set as in the real 1st time it was presented.

The requirements are that on the 2nd time that page X is called (when redirecting to it), it should be processed (including the form's data posted to it previously) and afterwards rendered much the same as it would be processed and rendered just in response to posting back the form's data without the intervening page Y. I.e. page X should be processed and rendered on the 2nd time much the same as in the simple situation that works (except for minor differences ONLY in the processing of the form's data because now processing is divided between the two calls for page X).

Please note: I've tried to use overriding SaveViewState and LoadViewState but this doesn't seem to work.

Thanks for any help!

[Itzik]

At end, I have found solution for this my self. Basically it is based on using overrides for the following Page methods:
DeterminePostBa ckMode
SavePageStateTo PersistenceMedi um
LoadPageStateFr omPersistenceMe dium

For more details, you call me on e-mail.