Donc ma solution compile mais quand je l'exécute, j'obtiens une erreur dans la bibliothèque de classes qui exécute .NET 4.6.1.Incompatibilité dans le versionnement d'assembly? (.Net Core 2.0 avec la bibliothèque de classe .NET Standard 2)
System.TypeLoadException: 'Could not load type 'System.Data.Common.DbProviderFactories' from assembly 'System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Des suggestions?
EDIT:
erreur complète:
$exception {System.TypeLoadException: Could not load type 'System.Data.Common.DbProviderFactories' from assembly 'System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. at System.Data.Entity.Infrastructure.DependencyResolution.DefaultProviderFactoryResolver.GetService(Type type, Object key, Func
3 handleFailedLookup) at System.Data.Entity.Infrastructure.DependencyResolution.DefaultProviderFactoryResolver.GetServices(Type type, Object key) at System.Collections.Concurrent.ConcurrentDictionary
2.GetOrAdd(TKey key, Func2 valueFactory) at System.Linq.Enumerable.SelectManySingleSelectorIterator
2.MoveNext() at System.Linq.Enumerable.ConcatIterator1.MoveNext() at System.Linq.Enumerable.SelectManySingleSelectorIterator
2.MoveNext() at System.Linq.Enumerable.ConcatIterator1.MoveNext() at System.Linq.Enumerable.<OfTypeIterator>d__32
1.MoveNext() at System.Collections.Generic.List1.AddEnumerable(IEnumerable
1 enumerable) at System.Linq.Enumerable.ToList[TSource](IEnumerable1 source) at System.Data.Entity.Infrastructure.DependencyResolution.InternalConfiguration.Lock() at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.<.ctor>b__1() at System.Lazy
1.ViaFactory(LazyThreadSafetyMode mode) at System.Lazy1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor) at System.Lazy
1.CreateValue() at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.GetConfiguration() at System.Data.Entity.DbContext.InitializeLazyInternalContext(IInternalConnection internalConnection, DbCompiledModel model) at X.Y.ConfigurationModule.ConfigurationContainer..ctor(String nameOrConnectionString)} System.TypeLoadException
Faites-vous référence à System.Data.Common.DbProviderFactories? –