DataAdapter.MissingSchemaAction Property
Definition
Important
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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
Property Value
One of the MissingSchemaAction values. The default is Add
.
Implements
- Attributes
Exceptions
The value set is not one of the MissingSchemaAction values.
Examples
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
Applies to
See also
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