Edit Key Dialog Box

  • Article

Allows you to define and edit keys. In XML Schemas and ADO.NET datasets, at least one key must be defined in the parent table before a relationship can be created. For details see Creating Primary and Unique Keys in XML Schemas.

To access this dialog box, drag a Key from the XML Schema tab of the Toolbox onto an element or click the New button in the Edit Relation dialog box.

  • Name
    Displays the name for this key.
  • Element
    Displays an element that represents the table that contains the key.
  • Fields
    Displays the individual elements that are members of the table defined in the Selector box.
  • Nullable
    Determines whether a key can contain a null value.
  • Dataset primary key
    Determines whether this is a primary key.

See Also

Edit Relation Dialog Box | Creating One-to-Many Relationships in XML Schemas and Datasets | Relational Data in XML Schemas | Creating Primary and Unique Keys in XML Schemas