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Objeto do comando do ADO


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O objeto do comando do objeto dos dados de Activex (ADO) � usado executar uma �nica pergunta de encontro � base de dados. A pergunta pode executar a��es diffrent como criar, adicionar, recuperar, suprimir ou atualizar registros como por a necessidade.



O objeto do comando � usado executar os comandos gerais de encontro aos dados dentro da base de dados. Estes comandos podem ter par�metros - por exemplo, o comando pode ser um comando da inser��o da base de dados: os par�metros s�o ent�o os elementos de dados a introduzir.


O objeto do comando do ADO tem uma cole��o dos par�metros composta de objetos do par�metro. A caracter�stica do objeto do comando � a abilidade �s perguntas e aos procedimentos armazenados uso com par�metros. O par�metro e s�o discription s�o dados o bellow.


Propriedades do objeto do comando do ADO

Property Description
ActiveConnection

The Connection object to which the specified Command object currently belongs.

CommandText

The text of a command that you want to issue against a provider.

CommandTimeout

How long to wait while executing a command before terminating the command and issuing an error.

CommandType The type of Command object.
Name

The name of a specific Command object. This property is not currently supported on UNIX.

Prepared

Whether or not to save a compiled version of a command before execution. This property is not currently supported on UNIX.

State

The current state of the Command object. This property is not currently supported on UNIX.




H� um m�todo do thee do objeto do comando do ADO. Este o m�todo � dado o bellow.


M�todo

Method Description
Cancel Cancels an execution of a method
CreateParameter Creates a new Parameter object.
Execute

Executes the query, SQL statement or procedure in the CommandText property




Objeto do comando do ADO com SQL

Executar a pergunta, usando o objeto do comando do ADO ajustar a conex�o ativa, para definir alguns pergunta par�metros tais como o n�mero dos resultados para indicar em cada p�gina, para definir a pergunta, para executar a pergunta, e para criar o objeto de Recordset do ADO que contem os resultados da busca.

Por exemplo: Bellow dado c�digo seguindo que cr�a o objeto do comando, ajusta a propriedade das fileiras do m�ximo, e cr�a e abre o recordset.


<%

set AdoCommand = Server.CreateObject("ADODB.Command.1.5")
set AdoCommand.ActiveConnection = Conn
AdoCommand.Properties("Maximum Rows") = 10
AdoCommand.CommandText = "SELECT vpath, DocTitle FROM Catalog1..Scope() WHERE CONTAINS('chocolate') > 0"
Set RS = Server.CreateObject("ADODB.RecordSet.1.5")
RS.Open AdoCommand

%>





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Keywords: Objeto do comando do ADO, objeto do comando do adodb, objeto l�quido do comando do ado, objeto b�sico visual, ado b�sico visual


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