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Relationships in Datasets

A dataset can contain related tables like a relational database. The object that facilitates a relationship between data tables is a DataRelation object. The following topics provide information about ADO.NET DataRelation objects, how to create them, and how to use them to work with data in related tables.

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In This Section

Reference

  • DataRelation
    Represents a parent/child relationship between two T:System.Data.DataTable objects.

  • GetChildRows
    Gets the child rows of a T:System.Data.DataRow.

  • GetParentRow
    Gets the parent rows of a T:System.Data.DataRow.

  • Rule
    Indicates the action that occurs when a ForeignKeyConstraint is enforced.

  • Unique
    Gets or sets a value indicating whether the values in each row of the column must be unique.

  • Constraint
    Represents a constraint that can be enforced on one or more DataColumn objects.