I've no experience with ASP.net, but these links maybe falls in your interest, when talking serialization:
Serialization Version 2.0 - Part 1 - The Code Project - C# Programming
Implement XML serialization in the .NET Framework
4GuysFromRolla.com - XML Serialization in ASP.NET
And here's a link about ASP.net w/ XML - w/o serialization:
ASP.NET Data Binding with XML
This is the only way I can help you about this topic, I don't know much about it, so I've to link to some third part websites. I don't hope you mind.