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); }