Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Óиö¼±´ý½â¾öµÄ£¬Ó¦¸ÃºÜ¼òµ¥µÄSQL²éѯÎÊÌ⣡

±íÈçÏ£º
FID      FName            FParentID  FFullID
100001 A          0   0.100001
100002 B 0   0.100002   
100003 C        100001   0.100001.100003
100004 D         100003   0.100001.100003.100004

ÈçºÎµÃµ½±í

FID      FName            FParentID  FFullID                      FFullName
100001 A          0   0.100001               A
100002 B 0   0.100002                      B
100003 C        100001   0.100001.100003              A.C
100004 D         100003   0.100001.100003.100004        A.C.D

SQL code:

/*
±êÌ⣺²éѯËùÓнڵ㼰ÆäËùÓÐ×Ó½ÚµãµÄº¯Êý
×÷Õߣº°®Ð¾õÂ޷ع»ª(Ê®°ËÄê·çÓê,ÊØµÃ±ùɽѩÁ«»¨¿ª)
ʱ¼ä£º2009-04-12
µØµã£º¹ã¶«ÉîÛÚ
*/

--Éú³É²âÊÔÊý¾Ý
create table tb(id varchar(10),pid varchar(10))
insert into tb select 'a', null
insert into tb select '


Ïà¹ØÎÊ´ð£º

sql ÎÊÌâ

PBÖпª·¢µÄ¡£

DateTime startTime=DateTime(em_1.Text)
DateTime endTime=DateTime(em_2.Text)

string sql
sql = dw_1.GetSQLSelect()+"Where (StartTime> '"+startTime+&q ......

SQL ¶à±í²éѯ²é³öËùÒªµÄÊý¾Ý£¿

ÒÑÖª´ÓB,±íÖÐÕÒ³öID, NAMEÁ½ÏîÓëC±íÏàͬµÄÊý¾Ý£¬ÔÙÒÀ¾ÝB±íÖо­¹ý²éѯ³öÀ´µÄID,CODEÁ½ÏîÊý¾Ý²éѯÓëA±íID,CODEÁ½ÏîÏàͬµÄÊý¾ÝÖжÔÓ¦µÄEMAILÀ´£¬²¢ÁгöÈçÏÂD±íµÄÐÎʽ£¬²»ÖªÎÒÊÇ·ñ±íʾÇå³þ£¿Âé·³°ïÎÒÁÐһϹ«Ê½ºÃÂð£¿Íò· ......

C# Á¬½ÓSQLÊý¾Ý¿â³£ÓõÄÁ¬½Ó×Ö·û´®¸ÃÈçºÎд£¿

£¨1£©string ConnString = "server=localhost;integrated security=sspi;database=pubs;";   
£¨2£©string strConnection="user uid=sa;pwd=123456;Database=test;Server=test;Connect ......

ÈçºÎµ÷ÊÔ»òÊä³ö´øSqlParameterµÄsqlÓï¾ä£¿

ÈçºÎµ÷ÊÔ»òÊä³ö´øSqlParameterµÄsqlÓï¾ä£¿
UP

µ÷Óô洢¹ý³Ì£¬ÉèÖÃParameterDirection.Output²ÎÊý
execÔËÐÐsqlÓï¾ä£¬·µ»ØsqlÓï¾ä

ÉèÖöϵ㣬°´ F11 µ¥²½¸ú×Ù..

ParameterDirection.Output
Õâ¸ö²Å¶Ô°É ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ