private void text_prd_id_TextChanged(object sender, EventArgs e) { try { if (text_prd_id.Text != string.Empty) { DataTable dt = new DataTable(); dt = order.GetproductBarcode(text_prd_id.Text); if (dt.Rows.Count > 0) { text_prd_id.Text = dt.Rows[0][0].ToString(); text_prd_name.Text = dt.Rows[0][1].ToString(); text_prd_price.Text = dt.Rows[0][3].ToString(); } } } catch { return; } }