ConstraintCollection.Item Property (String)


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Gets the Constraint from the collection with the specified name.

Namespace:   System.Data
Assembly:  System.Data (in System.Data.dll)

Public ReadOnly Property Item (
	name As String
) As Constraint


Type: System.String

The ConstraintName of the constraint to return.

Property Value

Type: System.Data.Constraint

The Constraint with the specified name; otherwise a null value if the Constraint does not exist.

Use the Contains method to test for the existence of a specific constraint.

The following example gets the named Constraint.

Private Sub GetConstraint(table As DataTable)
    If table.Constraints.Contains("CustomersOrdersConstraint") Then
        Dim constraint As Constraint = _
    End If
End Sub

.NET Framework
Available since 1.1
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