private static void LoadProviders()
{
if (_provider == null)
{
lock (_lock)
{
if (_provider == null)
{
UserExtProviderSection section = (UserExtProviderSection)ConfigurationManager.GetSection("UserExtProvider");
if (section == null)
{
throw new ConfigurationErrorsException("在配置文件中没找到“MenuProvider”节点");
}
_providers = new UserExtProviderCollection();
ProvidersHelper.InstantiateProviders(section.Providers, _providers, typeof(UserExtProvider));
_provider = _providers[section.DefaultProvider];
if (_provider == null)
{
throw new ProviderException
("没有找到对应的 MenuProvider");
}
}
}
}
}
private static void LoadProviders()
{
if (_provider == null)
{
lock (_lock)
{
if (_provider == null)
{
UserExtProviderSection section = (UserExtProviderSection)ConfigurationManager.GetSection("UserExtProvider");
if (section == null)
throw new ConfigurationErrorsException("�������ļ���û�ҵ���MenuProvider���ڵ�");
_providers = new UserExtProviderCollection();
ProvidersHelper.InstantiateProviders(section.Providers, _providers, typeof(UserExtProvider));
_provider = _providers[section.DefaultProvider];
if (_provider == null)
throw new ProviderException
("û���ҵ���Ӧ�� MenuProvider");
}
}
}
}