public static string GetProviderInvariantName(this DbProviderFactory factory)
{
DebugCheck.NotNull(factory);
const int invariantNameIndex = 2;
#if NETSTANDARD
var dataRows = DbProviderFactoriesCore.GetFactoryClasses().Rows.OfType <DataRow>();
var row = new ProviderRowFinder().FindRow(
factory.GetType(),
r => DbProviderFactoriesCore.GetFactory(r).GetType() == factory.GetType(),
dataRows);
#else
var dataRows = DbProviderFactories.GetFactoryClasses().Rows.OfType <DataRow>();
var row = new ProviderRowFinder().FindRow(
factory.GetType(),
r => DbProviderFactories.GetFactory(r).GetType() == factory.GetType(),
dataRows);
#endif
if (row == null)
{
throw new NotSupportedException(Strings.ProviderNameNotFound(factory));
}
return((string)row[invariantNameIndex]);
}
public DbProviderFactory ResolveProviderFactory(DbConnection connection)
{
Check.NotNull(connection, "connection");
#if NETSTANDARD
return(GetProviderFactory(connection, DbProviderFactoriesCore.GetFactoryClasses().Rows.OfType <DataRow>()));
#else
return(GetProviderFactory(connection, DbProviderFactories.GetFactoryClasses().Rows.OfType <DataRow>()));
#endif
}