Represents the primary column of the field type and usually contains the display name of the external data object (such as Customer name).
'Declaration <SubsetCallableTypeAttribute> _ Public Class SPBusinessDataField _ Inherits SPFieldText 'Usage Dim instance As SPBusinessDataField
[SubsetCallableTypeAttribute] public class SPBusinessDataField : SPFieldText
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.