private void query_Button_Click(object sender, RoutedEventArgs e) { int max = 0; if (normal.IsChecked == true) { tip_type = "普通号"; type = "N"; max = 200; price = "5"; } else if (special.IsChecked == true) { tip_type = "专家号"; type = "S"; max = 50; price = "20"; } departments = Combobox.SelectedValue.ToString(); Query query = new Query(); DataTable dt = query.Query_dep(departments, type); remain = max - dt.Rows.Count; Thickness myThickness = new Thickness(); myThickness.Left = 1; myThickness.Top = 1; myThickness.Right = 1; myThickness.Bottom = 1; border.BorderThickness = myThickness; tip.Text = departments + "剩余" + tip_type + ":" + remain.ToString(); }