Components of ADO.Net
All generic classes for data access are contained in the System.Data namespace.
| Class | Description |
| DataSet | The DataSet is a local buffer of tables or a collection of disconnected records sets. |
| DataTable | A DataTable is used to contain data in tabular form using rows and columns |
| DataRow | Represents a single record or row in a DataTable. |
| DataColumn | Represents a column or field of a DataTable |
| DataRelation | Represents the relationship between different tables in a data set. |
| Constraint | Represents the constraints or limitations that apply to a particular field or column. |
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