ViewState size, File Upload Memory Leak, Enums passed as Args and CancelEventArgs

A bookmark of interesting posts which I've seen in the past couple of days...

An interesting post about Serialization of objects and how their sizes in ViewState can be coerced by altering the TypeConverter used in the serialization process:
http://weblogs.asp.net/vga/archive/2004/05/11/DontLetTheBinaryFormatterGetAtIt.aspx

A memory leak associated with file uploading in ASP.NET:
http://weblogs.asp.net/mhawley/archive/2004/05/11/129824.aspx

The sensible way to handle Enum's passed in via param args:
http://weblogs.asp.net/ericgu/archive/2004/05/10/129369.aspx

How to Cancel an event by deriving the eventArgs from CancelEventArgs:
http://weblogs.asp.net/brada/archive/2004/05/10/129082.aspx