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

C#Á¬½ÓACESSʱ£¬sqlÓï¾äÓдí

ÔÚдsqlÓï¾äʱ£¬Ò»°ã¶¼ÊÇÒ»¾ä½â¾ö£¬´ÓÀ´Ã»Ïë¹ý˵£¬°ÑsqlÓï¾ä²ð¿ªÀ´Ð´¡£
ÀýÈçÏÂÃæÕâ¾ä£º  string readstring = "select * from ʵÀý where ʵÀýID='"+eid+"'";
È»ºóÖ´ÐÐ Myconnection();
        DataSet ds = new DataSet();
        OleDbDataAdapter da = new OleDbDataAdapter(readstring, Mycon);
Õâʱºò¾Í»á±¨´í¡£¡£²»ÊÇ˵“sqlÓï¾äÓд픣¬¾ÍÊÇ“Êý¾ÝÀàÐͲ»Æ¥Å䔣¬¸üÂé·³µÄÊÇ£¬ÔËÐгɹ¦ÁË£¬µ«ÊÇÔËÐеĽá¹ûÒ»Ö±ÓÐ´í¡£¡£
ºóÀ´£¬²Å·¢ÏÖÔ­À´Èç¹ûÁ¬½ÓµÄÊÇacessµÄ»°£¬ÒÔÉϵÄÕâ¾äsqlÊÇÒª±ä³ÉÏÂÃæÕâÑùдµÄ£º
 string readstr = "select * from ʵÀý where ʵÀýID=";
 string readstring = readstr + eid;
ÏñÏÂÃæÕâÑùµÄ´úÂ룬²ÅÄÜÔËÐÐÎÞÎó£º
      int eid = Form1.int_selected + 1;
        string readstr = "select * from ʵÀý where ʵÀýID=";
        string readstring = readstr + eid;
        Myconnection();//Á¬½ÓÊý¾Ý¿â
        DataSet ds = new DataSet();
        OleDbDataAdapter da = new OleDbDataAdapter(readstring, Mycon);
        da.Fill(ds, "ʵÀý");
         qbox1.Text = ds.Tables[0].Rows[0][3].ToString();
        dxbox1.Text = ds.Tables[0].Rows[0][4].ToString();


Ïà¹ØÎĵµ£º

Asp.netÓëSQLÒ»Æð´ò°ü²¿Êð°²×°


Õû¸öSQLºÍAsp.net(vb.net)Ò»Æð´ò°üµÄÈ«¹ý³ÌдһÏ¡£
Ò».×¼±¸±ØÒªµÄÎļþ
1. SQL½Å±¾Îļþ£¬Éú³ÉÒÔºó°²×°¹ý³ÌÖÐÐèÒªµÄ±íºÍ´æ´¢¹ý³ÌµÈµÈ£»
Éú³ÉÖ®ºó£¬¾ÍÔÝʱ°ÑËüÃüÃûΪdb.sql(×¢Òâ´óСд)
2.LisenceFile.rtfµÄ°²×°Îļþ£¬ÒòΪÎÒµÄϵͳÊǸöÈ˵쬶øÇÒfreeµÄ£¬ËùÒÔ¾ÍûÓÐ×ö¡£Õâ¸öÒÔºóÒ²ÊÇÒªÓõ½µÄ¡£
¶þ.ÔÚ×Ô¼ºÏÖÓеÄÏîÄ¿Àïà ......

Sqlº¯Êý´óÈ«

---·µ»Ø±í´ïʽÖÐÖ¸¶¨×Ö·ûµÄ¿ªÊ¼Î»ÖÃ
select charindex('c','abcdefg',1)
---Á½¸ö×Ö·ûµÄÖµÖ®²î
select difference('bet','bit')
---×Ö·û×î×ó²àÖ¸¶¨ÊýÄ¿
select left('abcdef',3)
---·µ»Ø×Ö·ûÊý
select len('abcdefg')
--ת»»ÎªÐ¡×Ö·û
select lower('ABCDEFG')
--È¥×ó¿Õ¸ñºó
select ltrim('   &nbs ......

[SQL]SQLÓï¾ä´óÈ«£¨·ÖÏí£©

--Óï ¾ä ¹¦ ÄÜ
--Êý¾Ý²Ù×÷
SELECT --´ÓÊý¾Ý¿â±íÖмìË÷Êý¾ÝÐкÍÁÐ
INSERT --ÏòÊý¾Ý¿â±íÌí¼ÓÐÂÊý¾ÝÐÐ
DELETE --´ÓÊý¾Ý¿â±íÖÐɾ³ýÊý¾ÝÐÐ
UPDATE --¸üÐÂÊý¾Ý¿â±íÖеÄÊý¾Ý
--Êý¾Ý¶¨Òå
CREATE TABLE --´´½¨Ò»¸öÊý¾Ý¿â±í
DROP TABLE --´ÓÊý¾Ý¿âÖÐɾ³ý±í
ALTER TABLE --ÐÞ¸ÄÊý¾Ý¿â±í½á¹¹
CREATE VIEW --´´½¨Ò»¸öÊÓͼ
DRO ......

SQLÁÙʱ±í

ÁÙʱ±í¾ÍÊÇÄÇЩÃû³ÆÒÔ¾®ºÅ (#) ¿ªÍ·µÄ±í¡£Èç¹ûµ±Óû§¶Ï¿ªÁ¬½ÓʱûÓгýÈ¥ÁÙʱ±í£¬SQL Server ½«×Ô¶¯³ýÈ¥ÁÙʱ±í¡£ÁÙʱ±í²»´æ´¢ÔÚµ±Ç°Êý¾Ý¿âÄÚ£¬¶øÊÇ´æ´¢ÔÚϵͳÊý¾Ý¿â tempdb ÄÚ¡£
ÁÙʱ±íÓÐÁ½ÖÖÀàÐÍ£º
±¾µØÁÙʱ±í
ÒÔÒ»¸ö¾®ºÅ (#) ¿ªÍ·µÄÄÇЩ±íÃû¡£Ö»ÓÐÔÚ´´½¨±¾µØÁÙʱ±íµÄÁ¬½ÓÉϲÅÄÜ¿´µ½ÕâЩ±í£¬Á´½Ó¶Ï¿ªÊ±ÁÙʱ±í¼´±»É¾³ý ......

[¼Ç¼]ÔÚÃüÁîÐÐÖÐÆô¶¯ SQL SERVER

Æô¶¯ MS SQL SERVER £¨2000 £­2008¶¼ÊÊÓã©£º
cmd>net start mssqlserver
Æô¶¯ ·ÇȱʡʵÀý£º
cmd>net start mssql$[instance name]
×¢£ºÃüÁîÐÐÐèÒªÓÐAdministratorȨÏÞ¡£
Í£Ö¹SQLSERVER ·þÎñÆ÷:
cmd>net stop mssqlserver
cmd>net stop mssql$[instance name] ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ