DataAdapter.MissingSchemaAction Propriedade

Definição

Namespace:

System.Data.Common

Assembly:

System.Data.Common.dll

Origem:

DataAdapter.cs

Determina a ação a ser tomada quando o esquema DataSet existente não coincide com os dados de entrada.

public:
 property System::Data::MissingSchemaAction MissingSchemaAction { System::Data::MissingSchemaAction get(); void set(System::Data::MissingSchemaAction value); };

public System.Data.MissingSchemaAction MissingSchemaAction { get; set; }

member this.MissingSchemaAction : System.Data.MissingSchemaAction with get, set

Public Property MissingSchemaAction As MissingSchemaAction

Valor da propriedade

MissingSchemaAction

Um dos valores de MissingSchemaAction. O padrão é Add.

Implementações

MissingSchemaAction

Exceções

ArgumentException

O valor definido não é um dos valores MissingSchemaAction.

Exemplos

O exemplo a seguir cria uma classe OleDbDataAdapter derivada e define algumas de suas propriedades.

// 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

Confira também

• MissingMappingAction
• Visão geral do ADO.NET