//绑定班级下拉列表
public void DataBindSchoolClassList(DropDownList ddl)
{
DalOperationAboutEnglishExam doac = new DalOperationAboutEnglishExam();
UserCookiesInfo user = BllOperationAboutUser.GetUserCookiesInfo();
DataTable dt = doac.GetSchoolClassByTeacherNo(user.userNo).Tables[0];
for (int i = 0; i < dt.Rows.Count; i++)
{
ddl.Items.Add(new ListItem(dt.Rows[i]["className"].ToString().Trim(), dt.Rows[i]["SchoolClassID"].ToString().Trim()));
}
}