Classe ColumnCollection

The ColumnCollection class represents a collection of Column objects that represent all the columns defined on a table.

Hierarquia de herança

System. . :: . .Object
  Microsoft.SqlServer.Management.Smo. . :: . .AbstractCollectionBase
    Microsoft.SqlServer.Management.Smo. . :: . .SmoCollectionBase
      Microsoft.SqlServer.Management.Smo. . :: . .ArrayListCollectionBase
        Microsoft.SqlServer.Management.Smo. . :: . .ParameterCollectionBase
          Microsoft.SqlServer.Management.Smo..::..ColumnCollection

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)

Sintaxe

'Declaração
Public NotInheritable Class ColumnCollection _
    Inherits ParameterCollectionBase
'Uso
Dim instance As ColumnCollection

public sealed class ColumnCollection : ParameterCollectionBase

public ref class ColumnCollection sealed : public ParameterCollectionBase

[<SealedAttribute>]
type ColumnCollection =  
    class
        inherit ParameterCollectionBase
    end

public final class ColumnCollection extends ParameterCollectionBase

O tipo ColumnCollection expõe os membros a seguir.

Propriedades

	Nome	Descrição
	Count	Gets the number of objects in the referenced collection. (Herdado de SmoCollectionBase.)
	IsSynchronized	Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (Herdado de SmoCollectionBase.)
	Item[ ( [ ( Int32] ) ] )	Gets a Column object in the collection by index number.
	Item[ ( [ ( String] ) ] )	Gets a Column object in the collection by name.
	Parent	Gets the SqlSmoObject object that is the parent of the ColumnCollection object.
	SyncRoot	Gets an object that can be used to synchronize access to the collection. (Herdado de SmoCollectionBase.)

Início

Métodos

	Nome	Descrição
	Add(Column)	Adds a Column object to the ColumnCollection collection.
	Add(Column, Int32)	Adds a Column object to the ColumnCollection collection at a specified position.
	Add(Column, String)	Adds a Column object to the ColumnCollection collection after a specified Column object currently in the ColumnCollection collection.
	AddExisting	Adds an object to the collection. (Herdado de AbstractCollectionBase.)
	AddImpl	Adds an object or member to this collection at the specified index. (Herdado de ArrayListCollectionBase.)
	Contains	Validates whether the parameter collection contains a member with a name equal to the specified string. (Herdado de ParameterCollectionBase.)
	CopyTo	Copies the collection objects to a one-dimensional array beginning at the index value specified.
	Equals	(Herdado de Object.)
	Finalize	(Herdado de Object.)
	GetCollectionElementType	Gets the Collection Element Type. (Herdado de SmoCollectionBase.)
	GetEnumerator	Returns an IEnumerator interface that allows you to iterate through the objects in the collection. (Herdado de SmoCollectionBase.)
	GetHashCode	(Herdado de Object.)
	GetItemById(Int32)	Extracts a member from the referenced collection using a system-defined, unique identifier. (Herdado de SmoCollectionBase.)
	GetItemById(Int32, String)	Extracts a member from the referenced collection using a system-defined, unique identifier and name. (Herdado de SmoCollectionBase.)
	GetObjectByIndex	Extracts a member from the referenced collection using a system-defined, unique identifier. (Herdado de SmoCollectionBase.)
	GetType	(Herdado de Object.)
	ImplAddExisting	Adds an object to a collection. (Herdado de ParameterCollectionBase.)
	InitializeChildCollection() () () ()	Initializes the child collections of the referenced collection. (Herdado de SmoCollectionBase.)
	InitializeChildCollection(Boolean)	Initializes the child collections of the referenced collection with the option to refresh the properties of the referenced collection. (Herdado de SmoCollectionBase.)
	InitInnerCollection	Initializes a collection. (Herdado de ParameterCollectionBase.)
	ItemById	Extracts a member from the ColumnCollection collection using a system-defined, unique identifier.
	MemberwiseClone	(Herdado de Object.)
	Refresh() () () ()	Refreshes the referenced collection. (Herdado de SmoCollectionBase.)
	Refresh(Boolean)	Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (Herdado de SmoCollectionBase.)
	Remove(String)	Removes a member from the collection with the specified name. (Herdado de ParameterCollectionBase.)
	Remove(Column)	Removes a Column object from the ColumnCollection collection.
	ToString	(Herdado de Object.)
	ValidateParentObject	Validates the parent object exists. (Herdado de SmoCollectionBase.)

Início

Campos

	Nome	Descrição
	initialized	This value supports the SMO infrastructure and is not intended to be used directly from your code. (Herdado de AbstractCollectionBase.)

Início

Implementações de interfaces explícitas

	Nome	Descrição
	ICollection. . :: . .CopyTo	Copies the elements from an instance to an array beginning at the index indicated. (Herdado de SmoCollectionBase.)

Início

Comentários

A ColumnCollection object can be used to gain access to a set of columns. You can use the Item property to return a specific Column object.

Thread Safety

Qualquer membro público estático (Compartilhado no Microsoft Visual Basic) desse tipo é seguro para operações multi-threaded. Não há garantia de que qualquer membro de instância seja seguro para threads.

Exemplos

Usando coleções

Segurança de thread

Qualquer membro público static (Shared no Visual Basic) desse tipo é seguro para threads. Não há garantia de que qualquer membro de instância seja seguro para threads.

Consulte também

Referência

Namespace Microsoft.SqlServer.Management.Smo