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1 NameSapce

1 1¸önamespaceÀïÃæ¿ÉÒÔÓжà¸öÀà
2  namespaceºÍcsÎļþÊǶà¶Ô¶àµÄ¹ØÏµ¡£
3  µ÷ÓÃÁíÒ»¸önamespaceµÄÉùÃ÷£¬¿ÉÒÔʹÓÃusing <namespace> £¬È»ºóÖ±½Óµ÷ÓÃÀàÃû£¬»òÕßʹÓÃnamespace.ÀàÃûÀ´µ÷ÓÃ
4  namespaceÖ§³Ö±ðÃû(alias)   using namespace = namespace.classname,Èçusing mycar = consoleapplciation1.car;
5  namespaceÖ§³ÖǶÌ×
2 Assembly
1   Assembly Á½ÖÖÀàÐÍ,exe »òdll, Á½ÖÖÀàÐͶ¼¿ÉÒÔ±»ÆäËû³ÌÐòµ÷Ó㬵õ½ÄÚ²¿µÄClass Type.
2   .net µÄAssembly¾ßÓÐÓïÑÔÎÞ¹ØÐÔ£¬c#µÄ³ÌÐò¿ÉÒÔµ÷ÓûòÕ߼̳Ðvb.net±àдµÄDLL/exe assemblyÖеÄtype
3    C#ÖеÄtypeÊÇÓÉnamespace.type¾ö¶¨µÄ£¬Èç¹ûÁ½¸öassembly(dll/exe),Öаüº¬ÓÐÏàͬµÄnamespace.type,ÄÇôc#ÈÏΪÁ½ÕßÏàͬ
4    AssemblyÓÐÒ»¸ö4λÊýµÄ°æ±¾ºÅ <major>.<minor>.<build>.<revision>
5    C#ÖеÄAssemblyʹÓÃmanifestÎļþÒÔ¼°×ÔÉíÀ´ÃèÊö×ÔÉíµ÷ÓÃµÄÆäËûAssembly£¬°æ±¾ºÅÒÔ¼°ÄÚ²¿°üº¬µÄType,ClassµÈ¡£
6    AssemblyµÄ×é³É²¿·Ö: Win32µÄÎļþÍ·/CLRÎļþÍ·/CIL code /type metadata/manifest/resourceÎļþ
3  µ¥ÎļþºÍ¶àÎļþAssembly
¶àÎļþAssemblyÒ»°ã°üÀ¨×ÊÔ´Îļþ(Èçbmp),.netModuleÎļþ(°üÀ¨type metadataºÍCIL Code),ÕâЩÎļþÓÉÖ÷dllµÄmanifestÎļþÖÐÖ¸¶¨ËµÃ÷
4  Private Assembly
ºÍapplicationÔÚͬһ¸öĿ¼»òÕß×ÓĿ¼Ï£¬Èç¹ûÔÚexeÖÐÖ¸¶¨ÁËreference£¬ÔòÔÚµÚÒ»´Î±àÒëʱ£¬»á½«¶ÔÓ¦µÄdll¿½±´µ½exeĿ¼ÖУ¬Ö´ÐÐexeÎļþʱ£¬exe»á´Ó¿½±´µÄdllÖеõ½type.Ö÷ÒªÊÇc#ÖÐÊDz»»áͨ¹ý×¢²á±íµÃµ½Ö¸¶¨µÄdll.
Private AssemblyµÄΨһ±ê־ΪÎļþÃû+°æ±¾ºÅ
5  exeµÄconfigureÎļþ exe.config
1  Èçprivate assemblyλÓÚexeËùÔÚĿ¼µÄ×ÓĿ¼£¬ÔòÐèÒªÔÚconfigÎļþÖÐÖ¸¶¨Ä¿Â¼Ãû£¬Èç
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<probing privatePath="MyLibraries"/>
</assemblyBinding>
</runtime>
</configuration>
Èç¹ûÊǶà¸öĿ¼£¬Ôò¿ÉÒÔдΪ<probing privatePath="MyLibraries; MyLibraries\Tests"/>
6 Shared Assembly
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if (key == null)
{
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C# aspx Êý¾Ý°ó¶¨·½·¨¼¯

Eval("")ºÍBind("")¡¡ÕâÁ½ÖÖÒ»¸öµ¥Ïò°ó¶¨£¬Ò»¸öË«Ïò°ó¶¨£¬bindÊÇË«Ïò°ó¶¨,µ«ÐèÊý¾ÝÔ´Ö§³Ö
ASP.NET   2.0¸ÄÉÆÁËÄ£°åÖеÄÊý¾Ý°ó¶¨²Ù×÷£¬°Ñv1.xÖеÄÊý¾Ý°ó¶¨Óï·¨DataBinder.Eval(Container.DataItem,   fieldname)¼ò»¯ÎªEval(fieldname)¡£Eval·½·¨ÓëDataBinder.EvalÒ»Ñù¿ÉÒÔ½ÓÊÜÒ»¸ö¿ÉÑ¡µÄ¸ñʽ»¯×Ö·û´®²Î ......

C#Ô¤´¦ÀíÆ÷Ö¸ÁîÈëÃÅ

Ò»¡¢C#Ô¤´¦ÀíÆ÷Ö¸ÁîÈëÃÅ #define NET11  //NET11,NET20,(±ØÐë·ÅÔÚÎļþµÚÒ»ÐÐ)
using System;
//¡­ ¡­
//¡­ ¡­
//¡­ ¡­

string sBeepType = s.Replace(sKey,"");
#if NET20
int.TryParse(sBeepType,out beepType); //ÔÚ.net 2.0ÖвÅÓеķ½·¨
#endif
#if ......
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