protected void Button1_Click(object sender, EventArgs e) { if (Month.SelectedValue != ("בחר חודש") && Year.SelectedValue != ("בחר שנה")) { DataSet ds = ol.getByMonthAndYear(Month.SelectedValue, Year.SelectedValue); GridView1.DataSource = ds; GridView1.DataBind(); if (ds.Tables[0].Rows.Count > 0) { Label1.Text = ""; } else { Label1.Text = "אין הזמנות מתאריכים אלו"; } } else { GridView1.DataSource = ol.showAllOrders(); GridView1.DataBind(); } }