The following table shows how a given ABL temp-table and its related components map to its companion objects in ADO.NET.

Table 1. ABL temp-table component to ADO.NET object mapping
ABL component .NET object
Buffer / Temp-Table 
System.Data.DataTable 
System.Data.DataRow

or strongly typed DataTable
Buffer Field 
System.Data.DataColumn
Primary Key 
System.Data.UniqueConstraint
Unique non-primary index 
System.Data.UniqueConstraint