ConstraintCollection Methods

ConstraintCollection Methods

 

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

NameDescription
System_CAPS_pubmethodAdd(Constraint)

Adds the specified Constraint object to the collection.

System_CAPS_pubmethodAdd(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.

System_CAPS_pubmethodAdd(String, DataColumn, DataColumn)

Constructs a new ForeignKeyConstraint with the specified name, parent column, and child column, and adds the constraint to the collection.

System_CAPS_pubmethodAdd(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.

System_CAPS_pubmethodAdd(String, DataColumn[], DataColumn[])

Constructs a new ForeignKeyConstraint, with the specified arrays of parent columns and child columns, and adds the constraint to the collection.

System_CAPS_pubmethodAddRange(Constraint[])

Copies the elements of the specified ConstraintCollection array to the end of the collection.

System_CAPS_pubmethodCanRemove(Constraint)

Indicates whether a Constraint can be removed.

System_CAPS_pubmethodClear()

Clears the collection of any Constraint objects.

System_CAPS_pubmethodContains(String)

Indicates whether the Constraint object specified by name exists in the collection.

System_CAPS_pubmethodCopyTo(Array, Int32)

Copies all the elements of the current InternalDataCollectionBase to a one-dimensional Array, starting at the specified InternalDataCollectionBase index.(Inherited from InternalDataCollectionBase.)

System_CAPS_pubmethodCopyTo(Constraint[], Int32)

Copies the collection objects to a one-dimensional Array instance starting at the specified index.

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGetEnumerator()

Gets an IEnumerator for the collection.(Inherited from InternalDataCollectionBase.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodIndexOf(Constraint)

Gets the index of the specified Constraint.

System_CAPS_pubmethodIndexOf(String)

Gets the index of the Constraint specified by name.

System_CAPS_pubmethodRemove(Constraint)

Removes the specified Constraint from the collection.

System_CAPS_pubmethodRemove(String)

Removes the Constraint object specified by name from the collection.

System_CAPS_pubmethodRemoveAt(Int32)

Removes the Constraint object at the specified index from the collection.

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

NameDescription
System_CAPS_pubmethodAsParallel()

Overloaded. Enables parallelization of a query.(Defined by ParallelEnumerable.)

System_CAPS_pubmethodAsQueryable()

Overloaded. Converts an IEnumerable to an IQueryable.(Defined by Queryable.)

System_CAPS_pubmethodCast<TResult>()

Casts the elements of an IEnumerable to the specified type.(Defined by Enumerable.)

System_CAPS_pubmethodOfType<TResult>()

Filters the elements of an IEnumerable based on a specified type.(Defined by Enumerable.)

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