C#使用预处理SQL语句访问MySQL的方法(Parameter)

MySqlConnection con = null;
            MySqlCommand cmd = null;
            string nameStr = "Sample value passed /”";
            con = new MySqlConnection("server=localhost;database=db_name;uid=user;pwd=password;pooling=false;");
            con.Open();
            cmd = new MySqlCommand("insert into MyTable values (null, ?ParName);", con);
            cmd.Parameters.AddWithValue("?ParName", (string)nameStr.Replace("/"", "^"));
            cmd.ExecuteNonQuery();
            con.Close();