/// <summary>
        /// 绑定数据源
        /// </summary>
        private void bind()
        {
            string classID = Request.QueryString["classID"].ToString();

            Label_className.Text = new ClassBLL().get(classID).Name;

            CommonBLL commBLL = new CommonBLL();

            DataTable dt = commBLL.getClassStudentAttendStatistics(classID, null, true);

            AspNetPager1.RecordCount = dt.Rows.Count;

            int from = (AspNetPager1.CurrentPageIndex - 1) * AspNetPager1.PageSize + 1;
            int to = from + AspNetPager1.PageSize - 1 > AspNetPager1.RecordCount ? AspNetPager1.RecordCount : from + AspNetPager1.PageSize - 1;

            GridView1.DataSource = PageUtil.getPaged(dt, from, to);
            GridView1.DataBind();
        }
        public void bind()
        {
            string classID = Request.QueryString["classID"].ToString();

            string courID = Request.QueryString["courId"].ToString();

            //courseName.Text = new CourseBLL().get(courID).Name;//courseName改成className
            className.Text = new ClassBLL().get(classID).Name;

            User user = (User)Session["user"];
            TeacherBLL teacherBll = new TeacherBLL();
            Teacher teacher = teacherBll.getByUserId(user.Id);
            CommonBLL commBLL = new CommonBLL();

            DataTable dt = commBLL.getClassStudentAttendStatistics(classID,teacher.Id, true);

            AspNetPager1.RecordCount = dt.Rows.Count;

            int from = (AspNetPager1.CurrentPageIndex - 1) * AspNetPager1.PageSize + 1;
            int to = from + AspNetPager1.PageSize - 1 > AspNetPager1.RecordCount ? AspNetPager1.RecordCount : from + AspNetPager1.PageSize - 1;

            GridView1.DataSource = PageUtil.getPaged(dt, from, to);
            GridView1.DataBind();
        }
        public void bind()
        {
            User user = (User)Session["user"];

            ClassBLL classBLL = new ClassBLL();
            StudentBLL studBll = new StudentBLL();
            Student stud = studBll.getByUserId(user.Id);

            Class clazz = classBLL.get(stud.ClassID);

            className.Text = clazz.Name;

            CommonBLL commBLL = new CommonBLL();

            DataTable dt = commBLL.getClassStudentAttendStatistics(clazz.Id, stud.Id, false);

            AspNetPager1.RecordCount = dt.Rows.Count;

            int from = (AspNetPager1.CurrentPageIndex - 1) * AspNetPager1.PageSize + 1;
            int to = from + AspNetPager1.PageSize - 1 > AspNetPager1.RecordCount ? AspNetPager1.RecordCount : from + AspNetPager1.PageSize - 1;

            GridView1.DataSource = PageUtil.getPaged(dt, from, to);
            GridView1.DataBind();
        }