protected void ddlDept_SelectedIndexChanged(object sender, EventArgs e) { if (ddlDept.SelectedItem.Text != "Select") { BusinessObjects bo = new BusinessObjects(); DataSet ds = bo.GetInstByDept(ddlDept.SelectedItem.Text); DataRow newRow = ds.Tables[0].NewRow(); newRow[0] = "Select"; ds.Tables[0].Rows.InsertAt(newRow, 0); ddlInst.DataSource = ds.Tables[0]; ddlInst.DataTextField = "User_ID"; ddlInst.DataValueField = "User_ID"; ddlInst.DataBind(); } }