public static CuentaDataService GetInstance(string connectionString)
{
if (_instance == null)
{
lock (_lock)
{
if (_instance == null)
{
_instance = new CuentaDataService(connectionString);
}
}
}
return(_instance);
}
public CuentaService(string connectionString)
{
_dataService = CuentaDataService.GetInstance(connectionString);
}
