Anybody know the difference between SPWeb.Fields and SPWeb.AvailableFields ?
You can see this properties below,
http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.spweb.fields(v=office.14).aspx
http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.spweb.availablefields(v=office.14).aspx