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

ÔõÑù»ñÈ¡SQL×Ô¶¯±àºÅ£¿

ʹÓÃWINFORMÔÚSQL2000Êý¾Ý¿â²åÈëмǼ£¬Õâ¸öмǼ±»×Ô¶¯±àºÅ£¬ÔõÑùÔÚFORMÀï»ñµÃÕâ¸ö±àºÅ²¢ÔÚTEXTBOXÏÔʾ³öÀ´ÄØ£¿Ð»Ð»£¬×Ô¶¯±àºÅµÄÀàÐÍÊÇINT
select @@identity

Ö´ÐÐÍê²åÈëÓï¾äÖ®ºóÔÙÖ´ÐÐ select @@identity ¾Í¿ÉÒÔ»ñÈ¡,»òÕßÒ²¿ÉÒÔÓÃmaxÈ¡µ±Ç°µÄ×î´óÖµ

SQL code:
SELECT @@IDENTITY


select @@identity

ÄÇÔõô½«È¡³öÀ´µÄÖµ¸³¸ø±äÁ¿°¡£¿

ÒýÓÃ
ÄÇÔõô½«È¡³öÀ´µÄÖµ¸³¸ø±äÁ¿°¡£¿

DataTable dt=ÄãÈ¡³öÀ´µÄdataset.Table[0];
string ±äÁ¿=dt.rows[0][0].tostring();

ÒýÓÃ
ÄÇÔõô½«È¡³öÀ´µÄÖµ¸³¸ø±äÁ¿°¡£¿

¿´²»¶®°¡ ¾ÍÊǽ«Õâ¸ö×Ô¶¯±àºÅ¸³Öµ¸øA AÒ²ÊÇINT Ôõô×ö£¿

ÒýÓÃ
ÄÇÔõô½«È¡³öÀ´µÄÖµ¸³¸ø±äÁ¿°¡£¿


select @id=@@identity

return @id

´æ´¢¹ý³Ì½ÓÊÕµ½µÄÊǸöobject
ת»»Ò»Ï¾ͿÉÒÔÁË
        newID = (int)command.Parameters["ReturnValue"].Value;

select SCOPE_IDENTITY()
×îºÃÓÃÕâ¸ö£¬
ÎÒÒÔǰÓÃselect @@identity £¬³öÏֵõ½µÄ²»ÊÇÎÒÏëÒªµÄµ±ÓбíµÄ×îбàºÅ

ÒýÓÃ
select @@identity

ͬÒâ

ÎÒÊÇÕâÑùдµÄ
                cmd.CommandText = "select @id=@@identity return @id";
      &nb


Ïà¹ØÎÊ´ð£º

sqlת»»ÎÊÌ⣬¼±£¡ - ÉçÇøÖ§³Ö / ¡¶³ÌÐòÔ±¡·ÔÓÖ¾

select convert(varchar(50),cast(convert(numeric(18,2),1275674000000/100000000)as real))+'ÒÚ'
select cast(convert(numeric(18,2),1275674000000/100000000)as real)
ΪʲôÉÏÒ»¸öÓÃvarcharת»»ºó¾ÍÖ»±£ÁôÁËÒ ......

Asp+sql serverÎÊÌâ - Web ¿ª·¢ / ASP

ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º ......

ÇóÒ»sqlÓï¾ä - MS-SQL Server / ÒÉÄÑÎÊÌâ

ÏÖÔÚÓÐÁ½ÕÅ±í£ºÎÄÕÂÖ÷±íA(articleId,articleTitle)£¬ÎÄÕÂÆÀÂÛ±íB(commentId,articleId,commentTitle)
ÏÖÔÚÎÒÏëʵÏÖÕâÑùµÄ¹¦ÄÜ£ºÁгöÎÄÕÂÁÐ±í£¬ÆäÖÐÿƪÎÄÕ±êÌâÏÂÃæÁгö´ËÎÄÕµÄǰ2¸öÎÄÕÂÆÀÂÛ£¬ÇëÎÊsqlÓï¾äÔõôд°¡ ......

ÇóÒ»SQL - MS-SQL Server / »ù´¡Àà

tab1 ×Ö¶Î:billdate,goodsid,incount,inmoney,outcount,outmoney,endprice,endcount,endamt
tab2 ×Ö¶Î:goodsid,goodskind£¨ÉÌÆ·ÀàÐÍ£©
tab3 ×Ö¶Î:goodskind£¨ÉÌÆ·ÀàÐÍ£©,kindname
½á¹û£º
µÃµ½ÉÌÆ·ÀàÐÍÔÚÒ»¶Îʱ¼ä ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ