protected void Page_Load(object sender, EventArgs e)
        {
            CarryWorkCalculate crt = new CarryWorkCalculate(HttpContext.Current.User.Identity.Name);

            GridView1.DataSource = crt.Teaching_Direct_Main().ToList();
            GridView1.DataBind();
            Label1.Text = crt.SumOfTeachingDirect_Main().ToString();

            GridView2.DataSource = crt.Teaching_Direct_Supervision().ToList();
            GridView2.DataBind();
            Label2.Text = crt.SumOfTeachingDirect_Supersion().ToString();

            Label3.Text = crt.SumOfTeachingDirect().ToString();
        }
        private void FillGridView2()
        {
            CarryWorkCalculate cr = new CarryWorkCalculate(username);

            ASPxGridView2.DataSource = cr.Teaching_Direct_Supervision().ToList();
            ASPxGridView2.DataBind();
        }