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

c#Á¬½ÓSqliteÊý¾Ý¿âÎÊÌâ

ÎÒÓÃsqliteadmin½¨ÁËÒ»¸öÊý¾Ý¿âtest.sdb,¿ÉÊÇÔõôҲ´ò²»¿ªÌáʾÈçÏ´íÎó£ºFile opened that is not a database file
file is encrypted or is not a database¡£

ÎÒµÄÁ¬½Ó×Ö·û´®ÈçÏÂÂ¥ÉϵĿɲ»¿ÉÒÔ°ïÎÒ¿´¿´
System.Data.SQLite.SQLiteConnection conn =new System.Data.SQLite.SQLiteConnection();
  System.Data.SQLite.SQLiteConnectionStringBuilder connstr
                    = new System.Data.SQLite.SQLiteConnectionStringBuilder();
                connstr.DataSource = datasource;
                connstr.Password = "admin";//ÉèÖÃÃÜÂ룬SQLite ADO.NETʵÏÖÁËÊý¾Ý¿âÃÜÂë±£»¤
                conn.ConnectionString = connstr.ToString();
                conn.Open();

string datasource = @"e:\data\test.sdb";

ÓÐûÓÐÈ˰¡£¬ÎÒÏÖÔÚ¿ÉÒÔÔÚ³ÌÐòÖн¨Ò»¸ö.sdbµÄÊý¾Ý¿âÒ²¿ÉÒÔÏòÀïд¶«Î÷¡£¿ÉÊÇÓÃSqlite AdministratorÈ´´ò²»¿ª³öÏÖÌáʾ£ºqAdmin£ºcannot perfrom this operation on a closed data test £¬ÓÐûÓиßÊÖÖªµÀÊÇʲôÎÊÌâÂð


Ïà¹ØÎÊ´ð£º

c# 2005²Ù×÷Access,Êý¾ÝÖ´ÐÐΪʲô²»ÄÜÁ¢¼´Íê³É£¿

ÎÒÖ´ÐÐÒ»¸öinsertºóÂíÉÏÖ´ÐÐÒ»¸öselect£¬·¢¾õÊý¾Ý»¹Ã»¼Ó½øÈ¥£¬Èç¹ûµÈ1£¬2ÃëÔÙselectµÄ»°Êý¾Ý¾ÍÓÐÁË¡£

ÄÇÎÒÓ¦¸ÃʲôʱºòÔÙselectÄØ£¿²»¿ÉÄÜÿ´Î¶¼¼Ó¸ö¶¨Ê±Æ÷À´¸ã°É£¬¶àÂé·³£¿
commit

?????????????

°ÑÄ ......

C#ÃüÁîÐвÎÊýÎÊÌâ

public class Functions
{
    public static long Factorial(int n)
    {
        if (n < 0) { return -1; }    //error result - undefined ......

VC,VC++,C++Ö®¼äÓÐʲô²»Ò»Ñù£¿±¾ÈËÏë´ÓC#תѧC++

VC++¾ÍÊÇVCµÄ¸ÄÉÆ°æ£¿
ÄÇVC++ºÍC++ÓÐʲô¹ØÏµ£¬²»Ò»ÑùÄØ£¿
C#תѧC++£¬Òª×¼±¸×ÅÄÄ·½ÃæµÄ֪ʶ£¿
Ò»»áÏë¸ã java Ò»»áÏë¸ãc# Ò»»áÏë¸ãc++ , ÕâÑùÓÐÓÀÔ¶²»»á³ÉΪ¸ßÊÖµÄ

Â¥ÉÏ˵µÄ¶Ô£¬C++ÊǺÜÍ´¿àµÄ£¬ÎÒÕýÔÚ³ÐÊÜÕâÖ ......

sqliteÒÆÖ²ÎÊÌâ

ÎÒÏÖÔÚÊÖÍ·ÓÐÕâôһ¸öÎÊÌ⣬ÎÒÏëÈÃÒ»¸ö²Ù×÷sqlite3µÄ³ÌÐòÔÚÒ»¸öARM°å×ÓÉÏÅÜÆðÀ´£¬°å×ÓÉϵÄosÊÇwince5.0¡£
ÎÒÊÇÕâô×öµÄ£¬ÎÒÏÈ´Ósqlite3Ö÷Ò³ÏÂÔØÔ´ÂëÏÂÀ´£¬ÓÐÕâô3¸öÎļþ£ºsqlite3.c¡¢sqlite3.h¡¢sqlite3ext.h £¬ ......

C#·¢Óʼþ21cn

21cnµÄÓÊÏ䣬ÔÚoutlookÅäÖúó¿ÉÒÔÕý³£ÊÕ·¢Óʼþ£¬¿ÉÊÇÎÒдÔÚC#ÖоͲ»ÐУ¬»»³ÉÆäËüÓÊÏ䣬163ºÜÔç×¢²áµÄ¡£¿ÉÒÔ·¢ËÍ¡£²éÁ˺ܾã¬Ã»ÓÐÕÒµ½Ô­Òò£¬Çë¸ßÊÖ°ïæ½â´ð¡£¡£¡£Ð¡µÜ£¬Ð»ÁË¡£¡£´úÂëÈçÏ£º
private void SendMail ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ