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ConstraintCollection::Add Method (Constraint)

Adds the specified Constraint object to the collection.

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

public:
void Add(
	Constraint^ constraint
)

Parameters

constraint
Type: System.Data::Constraint

The Constraint to add.

ExceptionCondition
ArgumentNullException

The constraint argument is null.

ArgumentException

The constraint already belongs to this collection, or belongs to another collection.

DuplicateNameException

The collection already has a constraint with the same name. (The comparison is not case-sensitive.)

If the collection is successfully changed by adding or removing constraints, the CollectionChanged event occurs.

The following example adds a UniqueConstraint to the ConstraintCollection of a DataTable.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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