protected void Page_Load(object sender, EventArgs e)
{
Srl = Session["StudentSrl"] as string;
Term = Session["TermSrl"] as string;
ActivityGradeSrl = Convert.ToInt32(Request.QueryString["ActivityGradeSrl"]);
EraeSrl = Convert.ToInt32(Request.QueryString["EraeSrl"]);
DataRow DesActivity = ActivityGrade.GetActivityGradeData(ActivityGradeSrl);
MasterDescription.Text = DesActivity["Description"].ToString();
}