System.Data.DataTable
object represents one in-memory table of data. It is the central object in the ADO.NET environment. System.Data.DataRelation
. System.Data.DataTableReader
obtains the contents of one or more DataTable
objects in the form of one or more read-only, forward-only result sets and thus allows to iterate over the rows in a DataTable
. DataTable
are represented by instances of System.Data.DataRow
, columns by instances of System.Data.DataColumn
. System.Data.DataSet