[問題] using SqlConnection 問題

[winsummer (winsummer)]

各位好

想請教一個問題

    public sealed class ConnectionManager
    {
        public static SqlConnection GetWebConnection()
        {

            string connectionString =
ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

            SqlConnection connection = new SqlConnection(connectionString);
            connection.Open();
            return connection;
        }
    }

===============================================

請問如果我這樣寫


            using (SqlCommand command = new SqlCommand(sql,
ConnectionManager.GetWebConnection()))
            {
                //my statment
            }


是不是不用再close connection?

感謝

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