DataAdapter.MissingMappingAction Propriedade

Definição

Determina a ação a ser tomada quando os dados de entrada não têm uma tabela ou coluna correspondente.Determines the action to take when incoming data does not have a matching table or column.

public:
 property System::Data::MissingMappingAction MissingMappingAction { System::Data::MissingMappingAction get(); void set(System::Data::MissingMappingAction value); };
public System.Data.MissingMappingAction MissingMappingAction { get; set; }
[System.Data.DataSysDescription("DataAdapter_MissingMappingAction")]
public System.Data.MissingMappingAction MissingMappingAction { get; set; }
member this.MissingMappingAction : System.Data.MissingMappingAction with get, set
[<System.Data.DataSysDescription("DataAdapter_MissingMappingAction")>]
member this.MissingMappingAction : System.Data.MissingMappingAction with get, set
Public Property MissingMappingAction As MissingMappingAction

Valor da propriedade

MissingMappingAction

Um dos valores de MissingMappingAction.One of the MissingMappingAction values. O padrão é Passthrough.The default is Passthrough.

Implementações

Atributos

Exceções

O valor definido não é um dos valores MissingMappingAction.The value set is not one of the MissingMappingAction values.

Exemplos

O exemplo a seguir cria uma classe derivada OleDbDataAdapter e define algumas de suas propriedades.The following example creates a derived class, OleDbDataAdapter and sets some of its properties.

// Assumes a valid connection string to an Access database.
static void CreateOleDbAdapter(string connectionString)
{
    OleDbDataAdapter adapter = new OleDbDataAdapter();
    adapter.SelectCommand =
        new OleDbCommand("SELECT * FROM Categories ORDER BY CategoryID");
    adapter.SelectCommand.Connection =
        new OleDbConnection(connectionString);
    adapter.MissingMappingAction = MissingMappingAction.Error;
    adapter.MissingSchemaAction = MissingSchemaAction.Error;
}
' Assumes a valid connection string to an Access database.
Private Sub CreateOleDbDataAdapter(ByVal connectionString As String)
    Dim adapter As New OleDbDataAdapter()
    adapter.SelectCommand = _
       New OleDbCommand("SELECT * FROM Categories ORDER BY CategoryID")
    adapter.SelectCommand.Connection = New OleDbConnection _
       (connectionString)
    adapter.MissingMappingAction = MissingMappingAction.Error
    adapter.MissingSchemaAction = MissingSchemaAction.Error
End Sub

Comentários

A TableMappings propriedade fornece o mapeamento mestre entre os registros retornados e o DataSet .The TableMappings property provides the master mapping between the returned records and the DataSet.

Aplica-se a

Confira também