protected void btnSearch_Click(object sender, EventArgs e)
        {
            List <TMSEntityLayer.EF.Training> tlist = new List <Training>();

            if (Panel1.Visible && !Panel2.Visible)
            {
                tlist = mtr.GetByName(txtName.Text);
            }

            else if (!Panel1.Visible && Panel2.Visible)
            {
                tlist = mtr.GetByDate(Convert.ToDateTime(txtSd.Text), Convert.ToDateTime(txtED.Text));
            }

            else if (Panel1.Visible && Panel2.Visible)
            {
                tlist = mtr.GetByDateName(txtName.Text, Convert.ToDateTime(txtSd.Text), Convert.ToDateTime(txtED.Text));
            }

            gridDisplay(tlist);
        }