DataAdapter.MissingMappingAction Свойство

Определение

Пространство имен:: System.Data.Common

Сборка:: System.Data.Common.dll

Сборка:: System.Data.dll

Сборка:: netstandard.dll

Определяет действие, выполняемое, если входные данные не соответствуют таблице или столбцу.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

Значение свойства

MissingMappingAction

Одно из значений перечисления MissingMappingAction.One of the MissingMappingAction values. Значение по умолчанию — Passthrough.The default is Passthrough.

Реализации

MissingMappingAction

Атрибуты: DataSysDescriptionAttribute

Исключения

ArgumentException

Заданное значение не является одним из значений MissingMappingAction.The value set is not one of the MissingMappingAction values.

Примеры

В следующем примере создается производный класс OleDbDataAdapter и задаются некоторые его свойства.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

Применяется к