ASP.NET使用window.event.keycode来获取按下的键盘值！

window.event.keycode-获取按下的键盘值

这里只列出了一些较常用的键盘值更加详细的键盘值请访问此人博客：https://www.cnblogs.com/z-sm/p/3597592.html

详细event.keycode值大全
1 keycode 8 = BackSpace BackSpace 
2 keycode 9 = Tab Tab 
3 keycode 12 = Clear 
4 keycode 13 = Enter 
5 keycode 16 = Shift_L 
6 keycode 17 = Control_L 
7 keycode 18 = Alt_L 
8 keycode 19 = Pause 
9 keycode 20 = Caps_Lock 
10 keycode 27 = Escape Escape 
11 keycode 32 = space space 
12 keycode 33 = Prior 
13 keycode 34 = Next 
14 keycode 35 = End 
15 keycode 36 = Home 
16 keycode 37 = Left 
17 keycode 38 = Up 
18 keycode 39 = Right 
19 keycode 40 = Down 
20 keycode 41 = Select 
21 keycode 42 = Print 
22 keycode 43 = Execute 
23 keycode 45 = Insert 
24 keycode 46 = Delete 
25 keycode 47 = Help 
26 keycode 48 = 0 equal braceright 
27 keycode 49 = 1 exclam onesuperior 
28 keycode 50 = 2 quotedbl twosuperior 
29 keycode 51 = 3 section threesuperior 
30 keycode 52 = 4 dollar 
31 keycode 53 = 5 percent 
32 keycode 54 = 6 ampersand 
33 keycode 55 = 7 slash braceleft 
34 keycode 56 = 8 parenleft bracketleft 
35 keycode 57 = 9 parenright bracketright 
36 keycode 65 = a A 
37 keycode 66 = b B 
38 keycode 67 = c C 
39 keycode 68 = d D 
40 keycode 69 = e E EuroSign 
41 keycode 70 = f F 
43 keycode 71 = g G 
44 keycode 72 = h H 
45 keycode 73 = i I 
46 keycode 74 = j J 
47 keycode 75 = k K 
48 keycode 76 = l L 
49 keycode 77 = m M mu 
50 keycode 78 = n N 
51 keycode 79 = o O 
52 keycode 80 = p P 
53 keycode 81 = q Q at 
54 keycode 82 = r R 
55 keycode 83 = s S 
56 keycode 84 = t T 
57 keycode 85 = u U 
58 keycode 86 = v V 
59 keycode 87 = w W 
60 keycode 88 = x X 
61 keycode 89 = y Y 
62 keycode 90 = z Z 
80 keycode 112 = F1 
81 keycode 113 = F2 
82 keycode 114 = F3 
83 keycode 115 = F4 
86 keycode 116 = F5 
87 keycode 117 = F6 
88 keycode 118 = F7 
89 keycode 119 = F8 
90 keycode 120 = F9 
91 keycode 121 = F10 
92 keycode 122 = F11 
93 keycode 123 = F12