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CBool(expression)
CByte(expression)
CCur(expression)
CDate(expression)
CDbl(expression)
CDec(expression)
CInt(expression)
CLng(expression)
CSng(expression)
CStr(expression)
CVar(expression)
±ØÑ¡µÄ expression ²ÎÊý £¨²ÎÊý£ºÎª²Ù×÷¡¢Ê¼þ¡¢·½·¨¡¢ÊôÐÔ¡¢º¯Êý»ò¹ý³ÌÌṩÐÅÏ¢µÄÖµ¡££©¿ÉÒÔΪÈκÎ×Ö·û´®±í´ïʽ £¨×Ö·û´®±í´ïʽ£ºÈÎÒ»ÇóֵΪһÁÐÁ¬Ðø×Ö·ûµÄ±í´ïʽ¡£±í´ïʽµÄÔªËØ¿ÉÒÔÊÇ£º·µ»Ø×Ö·û´®»ò×Ö·û´® Variant (VarType 8) µÄº¯Êý£»×Ö·û´®×ÖÃæÖµ¡¢³£Á¿¡¢±äÁ¿»ò Variant¡££©»òÊýÖµ±í´ïʽ £¨Êý×Ö±í´ïʽ£º¼ÆËã½á¹ûΪÊý×ÖµÄÈκαí´ïʽ¡£±í´ïʽ¿ÉÒÔÊDZäÁ¿¡¢³£Êý¡¢º¯ÊýºÍÔËËã·ûµÄÈÎÒâ×éºÏ¡££©¡£
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CBool Boolean&n ......

access IIfº¯Êý

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IIf(expr,   truepart,   falsepart)  
 
IIf   º¯ÊýµÄÓï·¨º¬ÓÐÏÂÃæÕâЩÃüÃû²ÎÊý£º 
  
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expr   ±ØÒª²ÎÊý¡£ÓÃÀ´ÅжÏÕæαµÄ±í´ïʽ¡£    
 
truepart   ±ØÒª²ÎÊý¡£Èç¹û   expr   Ϊ   True£¬Ôò·µ»ØÕⲿ·ÖµÄÖµ»ò±í´ïʽ¡£ 
   
falsepart   ±ØÒª²ÎÊý¡£Èç¹û   expr   Ϊ   False£¬Ôò·µ»ØÕⲿ·ÖµÄÖµ»ò±í´ïʽ¡£
iif(a1,a2,a3)±íʾÈç¹ûa1ΪÕ棬½á¹û¾ÍÈ¡a2,Èç¹ûa1Ϊ¼Ù£¬½á¹û¾ÍÈ¡a3 ......

http/1.1 403 access Forbidden´íÎó½â¾ö·½°¸

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Access °²È«¸ÅÊö (MDB)

×¢ÊÍ  ±¾Ö÷ÌâÖеÄÐÅÏ¢½öÊÊÓÃÓÚ Microsoft Access Êý¾Ý¿â (.mdb)¡£
Óи÷ÖÖ²»Í¬µÄ²ßÂÔÓÃÀ´¿ØÖÆ¶Ô Microsoft Access Êý¾Ý¿â¼°Æä¶ÔÏóµÄ·ÃÎʼ¶±ð¡£ÏÂÃæ´óÖ°´ÕÕ°²È«¼¶±ðµÄ˳Ðò£¬¼òÒª½éÉÜÕâЩ²ßÂÔ¡£
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ΪÊý¾Ý¿â±àÂëÊÇ×î¼òµ¥µÄ±£»¤·½·¨¡£ÎªÊý¾Ý¿â±àÂë¿ÉѹËõÊý¾Ý¿âÎļþ£¬²¢°ïÖú·ÀÖ¹¸ÃÎļþ±»ÎÄ×Ö´¦Àí³ÌÐò¶ÁÈ¡¡£µ«¶Ôδʵʩ°²È«´ëÊ©µÄÊý¾Ý¿â½øÐбàÂ뽫ÊÇÎÞЧµÄ£¬ÒòΪÈκÎÈ˶¼¿É´ò¿ªÕâÖÖÊý¾Ý¿â²¢ÇÒ¶ÔÊý¾Ý¿âÖеĶÔÏóÓµÓÐÍêÈ«·ÃÎÊȨ¡£µ±Óõç×Ó·½Ê½´«ÊäÊý¾Ý¿â»òÕß½«Êý¾Ý¿â´æ´¢ÔÚÈíÅÌ¡¢´Å´ø»ò¹âÅÌÖÐʱ£¬½øÐбàÂëÓÈΪÓÐÓá£
Ö»ÓзûºÏÒÔÏÂÌõ¼þ£¬²ÅÄÜΪ Microsoft Access Êý¾Ý¿â½øÐбàÂë»ò½âÂ룺Äú±ØÐëÊǸÃÊý¾Ý¿âµÄËùÓÐÕߣ»»òÕߣ¬Èç¹ûÊý¾Ý¿â²ÉÈ¡ÁË°²È«´ëÊ©£¬Ôò±ØÐëÊǹ¤×÷×éÐÅÏ¢Îļþ£¨°üº¬ÓÃÓÚ°ïÖú±£»¤Êý¾Ý¿âµÄÕÊ»§£©µÄ¹ÜÀíÔ±×é³ÉÔ±£»Äú»¹±ØÐëÄܹ»ÒÔ¶Àռģʽ´ò¿ªÊý¾Ý¿â£¬Ò²¾ÍÊÇ˵±ØÐëÓµÓГ´ò¿ª/ÔËÐДºÍ“ÒÔ¶ÀÕ¼·½Ê½´ò¿ª”µÄȨÏÞ¡£
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Excel and Access 97 2003¡¢2007µÄÁ¬½Ó´®

ÏÂÎçÔÚExcelµ¼ÈëSQLʱ£¬·¢ÏÖÔ­Á¬½ÓExcelµÄÊý¾ÝÁ¬½Ó´®¹ýʱÔì³ÉеÄExcel¸ñʽ*.xlsxÎÞ·¨Ê¶±ð¡£
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Office 97-2003°æ±¾
Excel:  Provider= Microsoft.Jet.OLEDB.4.0;Data Source=ÎļþλÖÃ;Extended Properties=Excel 8.0;
Access: Provider= Microsoft.Jet.OLEDB.4.0;Data Source=ÎļþλÖÃ;Jet OLEDB:Database Password=ÃÜÂë;
Office 2007°æ±¾
Excel: Provider= Microsoft.Ace.OleDB.12.0;Data Source=ÎļþλÖÃ;Extended Properties=Excel 12.0;
Access: Provider= Microsoft.Ace.OleDB.12.0;Data Source=ÎļþλÖÃ;Jet OLEDB:Database Password=ÃÜÂë; ......

MS Access connection strings

MS Access ODBC connection strings
Standard Security:
"Driver= {MicrosoftAccessDriver(*.mdb)};DBQ=C:\App1\Your_Database_Name.mdb;Uid=Your_Username;Pwd=Your_Password;"
Workgroup:
"Driver={Microsoft Access Driver (*.mdb)}; Dbq=C:\App1\Your_Database_Name.mdb; SystemDB=C:\App1\Your_Database_Name.mdw;"
Exclusive "Driver={Microsoft Access Driver (*.mdb)}; DBQ=C:\App1\Your_Database_Name.mdb; Exclusive=1; Uid=Your_Username; Pwd=Your_Password;"
MS Access OLE DB & OleDbConnection (.NET framework) connection strings
Open connection to Access database:
"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb; User Id=admin; Password="
Open connection to Access database using Workgroup (System database):
"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb; Jet OLEDB:System Database=c:\App1\Your_System_Database_Name.mdw"
Open connection to password protected Access database:
"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your ......
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