Metodo DbProviderServices.CreateDbCommandDefinition
[Questa pagina è specifica della versione 6 di Entity Framework. La versione più recente è disponibile come pacchetto NuGet per "Entity Framework". Per ulteriori informazioni su Entity Framework, vedere la pagina msdn.com/data/ef.]
Crea un oggetto definizione di comando per il manifesto del provider e l'albero dei comandi specificati.
Spazio dei nomi: System.Data.Entity.Core.Common
Assembly: EntityFramework (in EntityFramework.dll)
Sintassi
'Dichiarazione
Protected MustOverride Function CreateDbCommandDefinition ( _
providerManifest As DbProviderManifest, _
commandTree As DbCommandTree _
) As DbCommandDefinition
'Utilizzo
Dim providerManifest As DbProviderManifest
Dim commandTree As DbCommandTree
Dim returnValue As DbCommandDefinition
returnValue = Me.CreateDbCommandDefinition(providerManifest, _
commandTree)
protected abstract DbCommandDefinition CreateDbCommandDefinition(
DbProviderManifest providerManifest,
DbCommandTree commandTree
)
protected:
virtual DbCommandDefinition^ CreateDbCommandDefinition(
DbProviderManifest^ providerManifest,
DbCommandTree^ commandTree
) abstract
abstract CreateDbCommandDefinition :
providerManifest:DbProviderManifest *
commandTree:DbCommandTree -> DbCommandDefinition
protected abstract function CreateDbCommandDefinition(
providerManifest : DbProviderManifest,
commandTree : DbCommandTree
) : DbCommandDefinition
Parametri
- providerManifest
Tipo: System.Data.Entity.Core.Common.DbProviderManifest
Manifesto del provider recuperato in precedenza dal provider dell'archivio.
- commandTree
Tipo: System.Data.Entity.Core.Common.CommandTrees.DbCommandTree
Albero dei comandi per l'istruzione.
Valore restituito
Tipo: System.Data.Entity.Core.Common.DbCommandDefinition
Oggetto definizione comando eseguibile.