Custom
indicates that you use your own data types and formatting
Date
indicates that you use date type and formatting
Text
indicates that you use text type and formatting
Identifier
indicates this field is the identifier field
Image
indicates that you use image type and formatting (not used for now)
Lookup
The field lookup is used to do special things in the module. Normally the type is None, but you can use this property to indicate that data must be retieved from an other table using the type Lookup.
Used types:
Money
indicates that you use money type and formatting
Time
indicates that you use time type and formatting
Yes/No
indicates that you use Boolean type and formatting
See also:
How field types are mapped into .Net and SQL data types.