What is "datatable"
Datatable no . NET
A Datatable is a class . NET that represents a data table in memory. Unlike other programming languages and platforms, the Datatable of . NET is not a GUI control, but rather a representation of an SQL table directly accessible in code and a data source for other controls.
To DataTable
may exist as part of a DataSet
, that represents a relational data repository in memory. In this context, they can be connected through class instances DataRelation
, and restricted by ForeignKeyConstraint
or UniqueConstraint
.
To DataTable
has a set of instances DataColumn
, describing your schema. Data is stored in the instances DataRow
.
To DataTable
can be sorted and filtered without changing the data by attaching it to a DataView
. The classified and filtered lines are then accessed as instances of the class DataRowView
.