C# 封装首页、上一页、下一月、尾页处理器

 1 public void BtnPageClickEvent(object sender,string focusForeground,string lostFocusForeground)
 2         {
 3             Button btn = (Button)sender;
 4             string btnContent = btn.Content as string;
 5             if (btn.Focus())
 6             {
 7                 btn.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(focusForeground));
 8             }
 9             btn.LostFocus += delegate
10             {
11                 btn.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(lostFocusForeground));
12             };
13             switch (btnContent)
14             {
15                 case "首页":
16                     {
17                         PagedHelper.PageIndex = 1;
18                         this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, 0, PagedHelper.PageSize).ToList();
19                         break;
20                     }
21                 case "上一页":
22                     {
23                         if (PagedHelper.PageIndex != 1)
24                         {
25                             PagedHelper.PageIndex--;
26                         }
27                         if (PagedHelper.PageIndex <= 1)
28                         {
29                             this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, 0, PagedHelper.PageSize).ToList(); ;
30                         }
31                         else
32                         {
33                             this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, (PagedHelper.PageIndex - 1) * PagedHelper.PageSize, PagedHelper.PageSize).ToList();
34                         }
35                         break;
36                     }
37                 case "下一页":
38                     {
39                         if (PagedHelper.PageIndex != PagedHelper.PageCount)
40                         {
41                             PagedHelper.PageIndex++;
42                         }
43                         if (PagedHelper.PageIndex >= PagedHelper.PageCount)
44                         {
45 
46                             this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, PagedHelper.PageSize * (PagedHelper.PageCount - 1), PagedHelper.PageSize).ToList();
47                         }
48                         else
49                         {
50                             this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, (PagedHelper.PageIndex - 1) * 10, PagedHelper.PageSize).ToList();
51                         }
52                         break;
53                     }
54                 case "尾页":
55                     {
56                         PagedHelper.PageIndex = PagedHelper.PageCount;
57                         this.DGAlertInfos.ItemsSource = PagedHelper.GetPagedData(AlertLists, PagedHelper.PageSize * (PagedHelper.PageCount - 1), PagedHelper.PageSize).ToList();
58                         break;
59                     }
60                 default:
61                     {
62 
63                         break;
64                     }
65             }
66         }

1 private void BtnPageClick(object sender, RoutedEventArgs e)
2         {
3             BtnPageClickEvent(sender, "#007CF1", "#4D4D4D");
4         }