private static void LoadProviders()
{
// Avoid claiming lock if providers are already loaded
if (_provider == null)
{
lock (_lock)
{
// Do this again to make sure _provider is still null
if (_provider == null)
{
MenuProviderSection section = (MenuProviderSection)ConfigurationManager.GetSection("MenuProvider");
if (section == null)
{
throw new ConfigurationErrorsException("在配置文件中没找到“MenuProvider”节点");
}
SqlMenuProvider pro = new SqlMenuProvider();
_providers = new MenuProviderCollection();
ProvidersHelper.InstantiateProviders(section.Providers, _providers, typeof(MenuProvider));
_provider = _providers[section.DefaultProvider];
if (_provider == null)
{
throw new ProviderException
("没有找到对应的 MenuProvider");
}
}
}
}
}
private static void LoadProviders()
{
// Avoid claiming lock if providers are already loaded
if (_provider == null)
{
lock (_lock)
{
// Do this again to make sure _provider is still null
if (_provider == null)
{
MenuProviderSection section = (MenuProviderSection)ConfigurationManager.GetSection("MenuProvider");
if (section == null)
throw new ConfigurationErrorsException("�������ļ���û�ҵ���MenuProvider���ڵ�");
SqlMenuProvider pro = new SqlMenuProvider();
_providers = new MenuProviderCollection();
ProvidersHelper.InstantiateProviders(section.Providers, _providers, typeof(MenuProvider));
_provider = _providers[section.DefaultProvider];
if (_provider == null)
throw new ProviderException
("û���ҵ���Ӧ�� MenuProvider");
}
}
}
}
