DataAdapter.MissingSchemaAction Propriedade

Definição

Determina a ação a ser tomada quando o esquema DataSet existente não coincide com os dados de entrada.Determines the action to take when existing DataSet schema does not match incoming data.

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

Valor da propriedade

MissingSchemaAction

Um dos valores de MissingSchemaAction.One of the MissingSchemaAction values. O padrão é Add.The default is Add.

Implementações

Atributos

Exceções

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

Aplica-se a

Confira também