Maintenance fields are specially named fields that are automatically filled in when inserting and deleting.
Example:
Public Class Vendor
Public Property VendorID() As Integer'This is the primary key (See also the Primary Keys topic)
'This is not a special field, it is simply a string property
Public Property Name() As String
'Optional. On insert, this property will be set to DateTime.Now
Public Property CreateDate() As Date?
' Optional. On update, this property will be set to DateTime.Now
Public Property UpdateDate() As Date?
' Optional. On insert, this property will be set to Environment.UserName
Public Property CreateUser() As String
' Optional. On update, this property will be set to Environment.UserName
Public Property UpdateUser() As String
' Optional. On update, this property will be set to Environment.MachineName
Public Property MachineName() As String End Class