小编use*_*667的帖子

可能重复:
如何使用adb pull从Android复制所选文件

我正在使用这样的adb pull命令:

adb pull /sdcard/*.trace C:/

但我告诉我远程对象'/sdcard/*.trace'不退出我检查跟踪文件是在sdcard.Now如何从SD卡中提取这些文件.你可以帮我解决？

我的代码是：我在做断点时正在检索数据氟利昂数据库，它显示列表中的数据，但是它也给我一个错误

    public static List<StudentScore> GetAllScore()
   {
       SqlConnection conn = MyDB.GetConnection();
       string selectStm = "SELECT en.CourseID,en.Score,s.StudentID FROM EnrollmentTable en,Student s WHERE en.StudentID = s.StudentID";
       SqlCommand command = new SqlCommand(selectStm, conn);
       List<StudentScore> aStudentScore = new List<StudentScore>();
       try
       {
           conn.Open();
           SqlDataReader reader = command.ExecuteReader();          
           Console.WriteLine(reader.HasRows.ToString());
           while (reader.Read())
           {
               StudentTable st = new StudentTable();
               CourseTable cr = new CourseTable();
               Enrollment enr = new Enrollment();
               StudentScore score = new StudentScore();
               enr.CourseData = cr;
               enr.StudentData = st;                                    
                   //score.EnrollmentData.StudentData.StudentID = reader["StudentID"].ToString();
                   //score.EnrollmentData.CourseData.CourseID = reader["CourseID"].ToString();                  
                   st.StudentID = reader["StudentID"].ToString(); …