ADOX+access Ìí¼ÓÁеÄÎÊÌâ
ÎÒÔÚʹÓÃadox+access,ʹÓóÌÐòÌí¼ÓÐÂÁеÄʱºò×ÜÊdzöÏÖ´íÎó,¶¼ÓÐÄÄЩÐèҪעÒâµÄѽ,лл!
ÎҵĴúÂëÊÇÕâÑùµÄ!
C/C++ code:
CoInitialize (NULL);
bsSQL = ...(Êý¾Ý¿âÁ¬½Ó×Ö·û´®)
m_pConnection.CreateInstance(__uuidof(Connection));
m_pCommand.CreateInstance(__uuidof(Command));
m_pRecordset.CreateInstance(__uuidof(Recordset));
m_pConnection->Open(bsSQL,"","",adModeUnknown);
m_pCommand->ActiveConnection = m_pConnection;
csSQL.Format (_T("alter table pd add COLUMN %s int"),strColumnsName);
m_pConnection->Execute ((_bstr_t)csSQL,NULL,adCmdText);
²»ÖªµÀÊÇÄÄÀï´íÁË,Ï£Íû´ó´óÃÇÖ¸µã,лл!
COLUMN %s int"),---->
COLUMN %s integer"),
ÎÒµÄËùÓеÄsqlÓï¾ä,µ¥¶ÀµÄÔÙÊý¾Ý¿âÉÏÖ´ÐеÄʱºò¶¼ÕýÈ·,µ«ÊÇ,һʹÓÃADOXÖ´ÐеÄʱºò,¾Í»á³ö´í,
Ó¦¸ÃÊÇadoxµÄijЩÃüÁî»òÕßÉèÖóöÎÊÌâÁ˰É!
COLUMN %s int"),---->
COLUMN %s integer"),
ÊÔ¹ýÁË,»¹ÊDz»¶Ô!
ллfeilinhe´ó´ó!
COLUMN %s integer default 0")ÄØ
Ò²ÊÔ¹ýÁË,²»ÐÐ!
¿´¿´Á¬½ÓµÄ´ò¿ª·½Ê½
Ïà¹ØÎÊ´ð£º
ÎÒÓÐÒ»¸ö×Ö¶ÎÃû½Ð"ID",ÀïÃæ´æµÄÊÇ×Ö·û´®ÀàÐ͵ÄÊý×Ö,Èç"111","112"µÈ.
ÎÒÏÖÔÚÏë²éÑ®Ëü,²¢Êý×ÖÀàÐÍ·µ»Ø.
ÎÒÔÚsqlÀïдµÄÊÇ:"select Convert(int,ID) from table",
ÎÒ ......
ÎÒÓÐ2¸ö±í¸ñ£¬±í¸ñ1×Ö¶ÎÈçÏÂ
id name email
±í¸ñ2×Ö¶ÎÈçÏÂ
id ip email
ÆäÖУ¬2¸ö±í¸ñµÄemailÊÇÏàͬµÄ
ÎÒÏÖÔÚÏëͨ¹ý2¸ö±í¸ñµÃµ½ÈçϵÄÏÖʵЧ¹û
count(id) name
......
access¿ÉÒÔÖÆ×÷ÄÇÖÖÏÂÀ²Ëµ¥Â𣿾ÍÏñFile£¬È»ºóÏÂÃæÓÐOpen£¬Save,Save asµÈÑ¡Ïî¡£µ«ÊÇ£¬Ó¦¸Ã½«Êó±ê·ÅÉÏÈ¥¾ÍÖ±½Ó¿ÉÒÔ´ò¿ª°É£¬²»ÊÇcombo box¡£Õâ¸öÓÃʲôÀ´×ö£¿
×Ô¶¨Ò幤¾ßÀ¸
´°ÌåÉè¼ÆÄ£Ê½
²Ëµ¥--ÊÓͼ--¹¤¾ ......
ÔõÑùÇå³ýACCESS»º´æ
¿ª·¢Ê±ÁôÏµĻº´æ
ACCESS»º´æ ÊÇָʲô£¿
ÊDz»ÊÇÏëѹËõÊý¾Ý¿â£¿
¹ØÓÚ Access ÎļþµÄѹËõºÍÐÞ¸´
Microsoft Access ½«¶Ô Access ÎļþµÄѹËõºÍÐÞ¸´·ÅÔÚÒ»¸ö½ø³ÌÖ ......