C# Application: migrate from MS Access to SQL Server / possible AJAX modifications

We have a ASP C# application based on a MS Access database that we want migrate to SQL Server. So you'll have to create the database and do all the modifications to the current files. Since we'll be maintaining this at our site, we'll need to ensure that the code is well written. There are two forms and a couple of report views After this is done, we would like to discuss about the AJAX improvements Thanks