Ìá¸ßc#µÄÒªµã
Ìá¸ßC#±à³ÌˮƽµÄ50¸öÒªµã
1.×ÜÊÇÓÃÊôÐÔ (Property) À´´úÌæ¿É·ÃÎʵÄÊý¾Ý³ÉÔ±
2.ÔÚ readonly ºÍ const Ö®¼ä£¬ÓÅÏÈʹÓà readonly
3.ÔÚ as ºÍ Ç¿ÖÆÀàÐÍת»»Ö®¼ä£¬ÓÅÏÈʹÓà as ²Ù×÷·û
4.ʹÓÃÌõ¼þÊôÐÔ (Conditional Attributes) À´´úÌæÌõ¼þ±àÒëÓï¾ä #if
5.×ÜÊÇΪ×Ô¶¨ÒåÀàÖØÔØ ToString ·½·¨
6.Çø±ðÖµÀàÐͺÍÒýÓÃÀàÐÍ
7.ʹÓò»¿É±äµÄÖµÀàÐÍ(Immutable Atomic Value Types)
8.ÔÚÖµÀàÐÍÖУ¬È·±£0ÊÇÒ»¸öºÏ·¨µÄÊý¾Ý
9.Àí½â ReferenceEquals, static Equals, instance Equals ºÍ ±È½ÏÔËËã·û(==)Ö®¼äµÄ¹Øϵ
10.Àí½â GetHashCode·½·¨µÄȱÏÝ
11.ÔÚ±àдѻ·Ê±£¬ÓÅÏÈʹÓà foreach.
12.ÔÚ¶¨Òå±äÁ¿µÄʱºò¾Í½«Æä³õʼ»¯
13.ʹÓþ²Ì¬¹¹Ô캯ÊýÀ´³õʼ»¯¾²Ì¬³ÉÔ±±äÁ¿
14.Óöà¸ö¹¹Ô캯Êýʱ£¬ÀûÓù¹Ô캯ÊýÁ´
15.ʹÓÃusingºÍtry/finallyÀ´´¦Àí×ÊÔ´µÄÊÍ·Å
16.¾¡Á¿±ÜÃâ²úÉú×ÊÔ´À¬»ø
17.¾¡Á¿±ÜÃâʹÓÃ×°Ïä(boxing)ºÍ²ðÏä(unboxing)
18.ʵÏÖÀàµÄ Dispose ·½·¨
19.Ôڽӿںͼ̳Ð(Inheritance)Ö®¼ä£¬ÓÅÏÈʹÓýӿÚ(interface)
20.Çø·Ö½Ó¿ÚºÍÖØÔØ(overrides)
21.ÓÃίÍÐ(delegate)À´ÊµÏֻص÷(callback)
22.ÓÃʼþ(event)À´¶¨ÒåÍⲿ½Ó¿Ú
23.±ÜÃâ·µ»ØÀàÄÚ²¿³ÉÔ±µÄÒýÓÃ
24.ʹÓÃÔªÊý¾ÝÀ´¿ØÖƳÌÐò
25.ÓÅÏÈʹÓÿÉÐòÁл¯(serilizable)ÀàÐÍ
26.¶ÔÐèÒªÅÅÐòµÄ¶ÔÏóʵÏÖIComparableºÍIComparer½Ó¿Ú
27.±ÜÃâʹÓà ICloneable½Ó¿Ú
28.±ÜÃâʹÓÃÀàÐÍת»»²Ù×÷·û
29.Ö»Óе±»ùÀà¼ÓÈëÁËÓëÅÉÉúÀàÖÐÏÖÓеĺ¯ÊýÃû³ÆÏàͬµÄº¯Êýʱ£¬²ÅÐèҪʹÓà new ²Ù×÷·û
30.¾¡Á¿Ê¹Óà CLS-Compliant
31.¾¡Á¿±àд¶ÌÉÙ£¬¼òµ¥µÄº¯Êý
32.¾¡Á¿±àд±È½ÏСµÄ³ÌÐò¼¯(assembly)
33.ÏÞ¶¨ÀàÐ͵ĿɼûÐÔ(visibility)
34.±àд´óÁ£¶ÈµÄ web API
35.ÔÚʹÓÃʼþʱ£¬ÓÅÏȼ̳лùÀàʼþ£¬¶ø²»ÊÇÖØд´½¨Ò»¸öʼþ
36.¶àʹÓà framework µÄÔËÐÐʱµ÷ÊÔ (DEBUG, TRACE, EVENTLOGµÈ)
37.ʹÓÃ.net±ê×¼µÄÅäÖûúÖÆ
38.ʹÓò¢ÇÒÔÚÀàÖÐÖ§³Ö.netµÄÊý¾Ý°ó¶¨¹¦ÄÜ (Data Binding)
39.ʹÓÃ.netµÄÑéÖ¤»úÖÆ (Validation)
40.¸ù¾ÝÄãµÄÐèÇóÑ¡ÔñÕýÈ·µÄ¼¯ºÏÀà(Collection)
41.ÔÚ×Ô¶¨Òå½á¹¹ÖÐʹÓà DataSet
42.ÀûÓÃÊôÐÔ(Attributes)
43.²»Òª¹ý¶ÈʹÓ÷´Éä(Reflection)
44.´´½¨ÍêÕûµÄ£¬Ó¦ÓóÌÐòÌض¨µÄÒì³£
45.¾¡¿ÉÄܶàµÄ¿¼ÂdzÌÐò¿ÉÄܳöÏÖµÄÒì³££¬²¢×÷³ö´¦Àí
46.¾¡¿ÉÄÜÉÙµÄʹÓà Interop
47.¾¡Á¿Ê¹Óð²È«´úÂë (safe code)
48.¶à¶àѧϰ¡¢Ê¹Ó
Ïà¹ØÎĵµ£º
/// <summary>
/// ËõС²Ã¼ôͼƬ
/// </summary>
/// <param name="int_Width">ÒªËõС²Ã¼ôͼƬ¿í¶È</param>
/// <param name="int_Height">ÒªËõС²Ã¼ôͼƬ³¤¶È</param>
/// <param name="input_ImgUrl">Òª´¦ÀíͼƬ·¾¶< ......
C#ʵÏÖWindows FormµÄ͸Ã÷±³¾°ÓÃÏÂÃæÕâ¶Î´úÂëÄÜʵÏַdz£ÓÐÒâ˼ÕæÕýµÄ͸Ã÷±³¾°£¬Í¸Ã÷µÄµØ·½²»½öÄÜÏÔʾÆäÏÂÒ»²ãµÄͼ°¸£¬¶øÇÒÄÜÈÃÊó±ê´©Ô½¹ýÈ¥£¬³ÉΪÕæÕýµÄ͸Ã÷»¯¡£
×¢Ê͵ôµÄ3ÐÐÖÐ,Ç°2ÐдúÂëÊÇʵÏÖ͸Ã÷Ч¹ûµÄÁíÍâµÚÒ»¸ö°ì·¨£¬×îºó1ÐÐÊǵÚÈýÖÖ°ì·¨¡£
µ«µÚÒ»¸ö·½·¨¸ù±¾²»Æð×÷Óã¬ÒòΪWindows FormËùÓÓµ÷É«°å”ÊÇ&l ......
TCPÊÇÁ¬½ÓÄ£ÐÍ£¬ÈçÏ£º
·þÎñÆ÷Á¬½Ó ·þÎñÆ÷¶Ï¿ª
↓   ......
½ÓÉÏһƪ
ɾ³ýÔgenreÊôÐÔ£¬É¾³ýleixing=loveµÄËùÓнáµã¡£
1 ÔxmlÎļþ bookstore.xml
<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="love" ISBN="1234123">
<title>who am i </title>
<author>who</aut ......
¼ÇÈ¡¼Ç¼¼¯
create procedure getArticle
as
select * from Article_Content
GO
asp.net µ÷Ó÷½·¨
SqlConnection Conn = new SqlConnection();
Conn.ConnectionString = Data.Connstr();
Conn.Open();
......