System.Data.SqlClient.SqlExceptionExtensions.IsConnectionClosed C# (CSharp) Метод

        public static bool IsConnectionClosed(this SqlException exception)
        {
            Contract.Requires(exception != null);

            for (int i = 0; i < exception.Errors.Count; i++)
            {
                if (20 <= exception.Errors[i].Class)
                {
                    return true;
                }
            }

            return false;
        }