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

Table 1. ABL ProDataSet component to ADO.NET object mapping
ABL component .NET object
ProDataSet 
System.Data.Dataset

or strongly typed DataSet
Buffer / Temp-Table 
System.Data.DataTable 
System.Data.DataRow

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