private static void Initialize(bool applyEFHack, bool supportExplicitConnectionStrings)
{
if (supportExplicitConnectionStrings && (applyEFHack || IsEF41HackRequired()))
{
EFProviderUtilities.UseEF41Hack();
}
InitializeDbProviderFactories();
}
private static void InitializeDbProviderFactories()
{
try
{
// ensure all the factories are loaded
DbProviderFactories.GetFactoryClasses();
}
catch (ArgumentException)
{
}
Type type = typeof(DbProviderFactories);
DataTable table;
object setOrTable = (type.GetField("_configTable", BindingFlags.NonPublic | BindingFlags.Static) ??
type.GetField("_providerTable", BindingFlags.NonPublic | BindingFlags.Static)).GetValue(null);
if (setOrTable is DataSet)
{
table = ((DataSet)setOrTable).Tables["DbProviderFactories"];
}
table = (DataTable)setOrTable;
foreach (DataRow row in table.Rows.Cast <DataRow>().ToList())
{
DbProviderFactory factory;
try
{
factory = DbProviderFactories.GetFactory(row);
}
catch (Exception)
{
continue;
}
var profType = EFProviderUtilities.ResolveFactoryType(factory.GetType());
if (profType != null)
{
DataRow profiled = table.NewRow();
profiled["Name"] = row["Name"];
profiled["Description"] = row["Description"];
profiled["InvariantName"] = row["InvariantName"];
profiled["AssemblyQualifiedName"] = profType.AssemblyQualifiedName;
table.Rows.Remove(row);
table.Rows.Add(profiled);
}
}
}