C#ÓëSqliteÊý¾Ý¿â²Ù×÷ʵÀý
ÕâÊÇÒ»¸öÓйطÖÒ³µÄʵÀý,½ö¹©²Î¿¼(´úÂëÀ´×ÔÍøÂç)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SQLite;
using System.Threading;
using System.Collections;
using System.IO;
namespace ReadCardDemo
{
public partial class Form3 : Form
{
Form4 form4 = new Form4();
int pageSize = 12; //ÿҳÏÔʾÐÐÊý
int nMax = 0; //×ܼǼÊý
int totalPage = 0; //×ÜÒ³Êý£½×ܼǼÊý/ÿҳÏÔʾÐÐÊý
int currentPage = 1; //µ±Ç°Ò³ºÅ
int pageCount = 0; //µ±Ç°Ò³ÊýµÄ¼Ç¼Êý
int selectRow; //µ±Ç°Ñ¡ÖеÄÐÐÊý
DataSet dataSet = new DataSet();
DataTable dataTable = new DataTable();
SQLiteDataAdapter dataAdapter;
SQLiteConnection conn = new SQLiteConnection();
SQLiteCommand cmd;
SQLiteDataReader dr;
string datasource;
string _sql;
public Form3()
{
InitializeComponent();
}
//³õʼ»¯Êý¾Ý
public void InitializeDataSource()
{
dataTable.Clear();
dataTable.AcceptChanges();
//´´½¨Êý¾Ý¿â
//datasource = "/Windows/ReadCardDemo/PersonId.db";
//SQLiteConnection.CreateFile(datasource);
//½¨Á¢Êý¾Ý¿âÁ¬½Ó
datasource = @"Data Source=/Windows/ReadCardDemo/PersonId.db";
conn.ConnectionString = datasource;
//»ñÈ¡µ±Ç°Êý¾Ý¿âµÄ¼Ç¼Êý
_sql = "select count(*) from PersonId";
conn.Open();
cmd = new SQLiteCommand(_sql, conn);
dr = cmd.ExecuteReader();
while (dr.Read())
{
try
{
nMax = Convert.ToInt32(dr.GetValue(0));
}
catch(Exception e)
{
Ïà¹ØÎĵµ£º
Where is SQLite?
SQLite is available on the Android device itself. The executable is in the /system/bin directory of the device. You can see that this directory contains the shell commands like ls, ps, etc., as well as sqlite3, dalvikvm, and dexdump utilities.
Code Listing 1. Contents of system/ ......
ÕâÁ½ÌìC/SµÄÏîÄ¿ÖÐÓõ½ÁËsqlite£¬Õâ¸öС¶«Î÷»¹ÕæÊǺÃÓ᣷ÃÎÊËٶȺܿ첻˵£¬Éú³ÉµÄÊý¾Ý¿âÎļþÒ²ºÜС¡£·Ç³£ÊʺÏСÐÍÏîÄ¿µÄÊý¾Ý¿â¡£winceÖÐÇ¿ÁÒ½¨ÒéʹÓá£
²»¹ý½ñÌìÓöµ½Ò»¸öÎÊÌâÈÃÈËÍ·´ó£¬deleteÊý¾ÝµÄʱºòÌáʾno such table¡£
Êý¾Ý¿âÖеıíÃ÷Ã÷´æÔÚ£¬ÔÚÊý¾Ý¿âÖÐÖ´ÐÐdeleteµÄsqlҲûÓÐÎÊÌâ¡£¿´À´²»ÊÇsqlÓï¾äµÄÎÊÌâ¡£
µ«ÊÇÖ ......
zz from https://www.dream4ever.org/showthread.php?t=86440 feuvan @ DRL
ÔÎÄÔÚhttp://sqlitecn.feuvan.net/faq.html
Óï·¨²¿·ÖÕýÔÚ·ÒëÖУ¬¾´ÇëÆÚ´ý
FAQÖÐÎİæ
ÈçºÎ´´½¨×ÔÔö×ֶΣ¿
SQLite Ö§³ÖÄÄЩÊý¾ÝÀàÐÍ£¿
ΪʲôÄÜÏò SQLite Êý¾Ý¿âµÄÕûÐÍ×Ö¶ÎÖвåÈë×Ö·û´®£¿
Ϊʲô SQLite ÈÏΪ±í´ïʽ '0'=='00' ÎªÕæ£¿
......
1¡¢SQLite¼ò½é
¡¡¡¡SQLiteµÚÒ»¸öAlpha°æ±¾µ®ÉúÓÚ2000Äê5ÔÂ. ÖÁ½ñÒѾÓÐ4¸öÄêÍ·ÁË. SQLiteÒ²ÓÀ´ÁËÒ»¸ö°æ±¾ SQLite 3ÒѾ·¢²¼.
¡¡
¡¡SQLiteÊÇÒ»¿îÇáÐ͵ÄÊý¾Ý¿â£¬ÊÇ×ñÊØACIDµÄ¹ØÁªÊ½Êý¾Ý¿â¹ÜÀíϵͳ£¬ËüµÄÉè¼ÆÄ¿±êÊÇǶÈëʽµÄ£¬¶øÇÒĿǰÒѾÔںܶàǶÈëʽ²úÆ·ÖÐʹÓÃÁËËü£¬ËüÕ¼ÓÃ×Ê
Ô´·Ç³£µÄµÍ£¬ÔÚǶÈëʽÉ豸ÖУ¬¿ÉÄÜÖ»ÐèÒª ......