ASP and ASP.NET applications running side by side during a migration

Hi all,

We have been approached by a company that have large 2 tier ASP based website using SQL Server as the backend. These systems have been in place for well over a decade with a small inhouse team doing any maintainance required.

They now want to move to ASP.NET 2.0 in phases. Starting by doing any new development work in ASP.NET while still maintaining their old code in ASP with a minimal migration of code if required. Given the size of their migration it seems to be the most workable solution for the moment.

1. The ASP pages have a truck load of session objects and application variables and we need to find an elegant way to make use of them in our ASPX pages.

2. As it is a 2 tier system, they have their entire business logic encapsulated in functions grouped together in different ASP pages. Whenever a page requires a function, they include the ASP page containing the function. We want to find a way to make calls to these functions from our ..NET pages. We are not considering duplicating the business logic on the dot net side because of the volume and because there is little or no documentation available on hand.

I would really appreciate any pointers in the right direction.

TIA
-MW


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