Under the Hood: Storage Layout Diagrams

The POCO DataSet storage layout uses column-based collections internally while exposing row-based views through IObservableDataRow. The following diagram illustrates this dual-layer design.

Explanation

• Each column stores its own array of values.
• DataRows reference column arrays using row indexes.
• This layout improves performance while keeping row-level access intuitive.

Table of Content POCO DataSet Table and Row Organization