DataAdapter.MissingMappingAction Property
Important
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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
One of the MissingMappingAction values. The default is Passthrough
.
- Attributes
The value set is not one of the MissingMappingAction values.
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
The TableMappings property provides the primary mapping between the returned records and the DataSet.
Product | Versions |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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