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 ×îÐÂÎÄÕ : Sqlite

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file is encrypted or is not a database¡£

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System.Data.SQLite.SQLiteConnection conn =new System.Data.SQLite.SQLiteConnection();
  System ......

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select TimeSpan from T_Table where onlineDate = '2009-12-2'
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select TimeSpan from T_Table where onlineDate = '2009-12-02'
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»¹ÓÐÏÖÔÚ´Ó³ÌÐò´«ÈëÒ»¸ö DateÀàÐ͵ÄÖµ ¾ ......

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sqlite error 
no such function: stuff 
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SQL code:
---------------------------------------------
--> Author : jinjazzli
--> Target : ---->1000
--> Date : 2009-12-15 09:42:28
--&g ......

sqlite£¬updateµÄÎÊÌâ

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ÔÚÓû§update Ò»¸öÓû§Êý¾Ý±íֵʱ£¬ÎÒÈçºÎ¿ÉÒÔµÃÖªÓû§updateµÄÄĸö×ֶεÄÖµ£¿ÎÒ±¾À´¸øÓû§±íÌí¼Ó´¥·¢Æ÷À´ÊµÏֵģ¬µ«´¥·¢Æ÷ºÃÏñÖ»Äܵõ½Óû§updateµÄÕâÌõÊý¾ÝµÄrowid£¬µ«ÎÒÏëµÃÖªÓû§updateÊý¾Ý±íÖÐijһÁеÄ×Ö¶ÎÃûºÍ¾ÉÖµ£¬Õâ¸öÔõôÀ´ÊµÏÖ£¿ÄÄλ¸ß ......

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sqlTime = "select SUM(onlineTimeSpan) from T_OnlineTimeSum where ipAddress = :a AND onlineDate BETWEEN :b AND :c";
                daSpan = new SQLiteDataAdapter(sqlTime, conn);
              ......
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