请问每句代码的意思是什么?public SqlDataReader GetmySend(string username){SqlConnection myConnection = new SqlConnection(ConfigurationManager.AppSettings["MySQLConn"]);string cmdText = "SELECT * FROM send where name='"+username+"' ORDER BY
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![请问每句代码的意思是什么?public SqlDataReader GetmySend(string username){SqlConnection myConnection = new SqlConnection(ConfigurationManager.AppSettings[](/uploads/image/z/10065686-14-6.jpg?t=%E8%AF%B7%E9%97%AE%E6%AF%8F%E5%8F%A5%E4%BB%A3%E7%A0%81%E7%9A%84%E6%84%8F%E6%80%9D%E6%98%AF%E4%BB%80%E4%B9%88%3Fpublic+SqlDataReader+GetmySend%28string+username%29%7BSqlConnection+myConnection+%3D+new+SqlConnection%28ConfigurationManager.AppSettings%5B%22MySQLConn%22%5D%29%3Bstring+cmdText+%3D+%22SELECT+%2A+FROM+send+where+name%3D%27%22%2Busername%2B%22%27+ORDER+BY)
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