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ConstraintCollection Methods

The ConstraintCollection type exposes the following members.

  Name Description
Public method Add(Constraint) Adds the specified Constraint object to the collection.
Public method Add(String, DataColumn, Boolean) Constructs a new UniqueConstraint with the specified name, DataColumn, and value that indicates whether the column is a primary key, and adds it to the collection.
Public method Add(String, DataColumn, DataColumn) Constructs a new ForeignKeyConstraint with the specified name, parent column, and child column, and adds the constraint to the collection.
Public method Add(String, DataColumn[], Boolean) Constructs a new UniqueConstraint with the specified name, array of DataColumn objects, and value that indicates whether the column is a primary key, and adds it to the collection.
Public method Add(String, DataColumn[], DataColumn[]) Constructs a new ForeignKeyConstraint, with the specified arrays of parent columns and child columns, and adds the constraint to the collection.
Public method AddRange Copies the elements of the specified ConstraintCollection array to the end of the collection.
Public method CanRemove Indicates whether a Constraint can be removed.
Public method Clear Clears the collection of any Constraint objects.
Public method Contains Indicates whether the Constraint object specified by name exists in the collection.
Public method CopyTo(Array, Int32) Copies all the elements of the current InternalDataCollectionBase to a one-dimensional Array, starting at the specified InternalDataCollectionBase index. (Inherited from InternalDataCollectionBase.)
Public method CopyTo(Constraint[], Int32) Copies the collection objects to a one-dimensional Array instance starting at the specified index.
Public method Equals(Object) Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public method GetEnumerator Gets an IEnumerator for the collection. (Inherited from InternalDataCollectionBase.)
Public method GetHashCode Serves as the default hash function. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Public method IndexOf(Constraint) Gets the index of the specified Constraint.
Public method IndexOf(String) Gets the index of the Constraint specified by name.
Public method Remove(Constraint) Removes the specified Constraint from the collection.
Public method Remove(String) Removes the Constraint object specified by name from the collection.
Public method RemoveAt Removes the Constraint object at the specified index from the collection.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
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