MissingMappingAction Property

DataAdapter.MissingMappingAction Property


Determines the action to take when incoming data does not have a matching table or column.

Namespace:   System.Data.Common
Assembly:  System.Data (in System.Data.dll)

Public Property MissingMappingAction As MissingMappingAction

Property Value

Type: System.Data.MissingMappingAction

One of the MissingMappingAction values. The default is Passthrough.

Exception Condition

The value set is not one of the MissingMappingAction values.

The TableMappings property provides the master mapping between the returned records and the DataSet.

The following example creates a derived class, OleDbDataAdapter and sets some of its properties.

' 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 _
    adapter.MissingMappingAction = MissingMappingAction.Error
    adapter.MissingSchemaAction = MissingSchemaAction.Error
End Sub

.NET Framework
Available since 1.1
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