C#与Sqlite数据库操作实例

这是一个有关分页的实例,仅供参考(代码来自网络)
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; //每页显示行数
int nMax = 0; //总记录数
int totalPage = 0; //总页数＝总记录数/每页显示行数
int currentPage = 1; //当前页号
int pageCount = 0; //当前页数的记录数
int selectRow; //当前选中的行数
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();
}
//初始化数据
public void InitializeDataSource()
{
dataTable.Clear();
dataTable.AcceptChanges();
//创建数据库
//datasource = "/Windows/ReadCardDemo/PersonId.db";
//SQLiteConnection.CreateFile(datasource);
//建立数据库连接
datasource = @"Data Source=/Windows/ReadCardDemo/PersonId.db";
conn.ConnectionString = datasource;
//获取当前数据库的记录数
_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)
{