private void QueryScore(string classId)
{
Dictionary <string, string> infoList = objScoreListService.QueryScoreInfoByClassId(classId);
this.lblAttendCount.Text = infoList["stuCount"];
this.lblAbsentCount.Text = infoList["absentCount"];
this.lblCSharpAvg.Text = infoList["avgCSharp"];
this.lblDBAvg.Text = infoList["avgDB"];
// absent name list
List <string> absentList = objScoreListService.QueryAbsentList(classId);
this.lblList.Items.Clear();
if (absentList.Count == 0)
{
this.lblList.Items.Add("no absent");
}
else
{
this.lblList.Items.AddRange(absentList.ToArray());
}
}