As shown in the above table, the XML-NODE-TYPE attribute on a given ABL buffer-field directly corresponds to the System.Data.DataColumn.ColumnMapping property for the corresponding ADO.NET DataColumn. The following table shows how the CHARACTER value of the ABL attribute corresponds to the ADO.NET MappingType Enumeration member values.

Table 1. Mapping the XML-NODE-TYPE attribute
This XML-NODE-TYPE value . . . Corresponds to this ADO.NET MappingType member value . . .
"ATTRIBUTE"
Attribute
"ELEMENT"
Element
"HIDDEN"
Hidden
"TEXT"
SimpleContent