不错呦!smile@林凯西,确保“准备文件”中的几个文件都有安装,S...您好,看了您这篇帖子觉得很有帮助。但是有个问题想请...我的修改过了怎么还被恶意注册呢 @jjjjiiii 用PJ快9年了,主要是A...PJ3啊,貌似很少有人用PJ了,现在不是WP就是z...@332347365,我当时接入时错误码没有-10...楼主,ChkValue值应为-103是什么意思呢?...大哥 你最近能看到我发的信息,请跟我联系,我有个制...
C#引用System.Data.SQLite操作SQLite数据库一例
编辑:dnawo 日期:2008-03-05
SQLite数据库结构如下:
引用内容
下边用C#演示下如何对SQLite数据库进行记录的增、查、改、删操作:

Create TABLE admin(username text,age integer);
下边用C#演示下如何对SQLite数据库进行记录的增、查、改、删操作:
复制内容到剪贴板
程序代码

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SQLite; //引用System.Data.SQLite
public partial class Sqlite : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string _connectionString = @"Data Source=F:\mzwucom\bbs\db1.db";
string _sql;
SQLiteConnection conn = new SQLiteConnection();
SQLiteCommand cmd;
SQLiteDataReader dr;
conn.ConnectionString = _connectionString;
conn.Open();
_sql = "insert into admin(username,age) values('user" + (new Random()).Next(1,100) + "',22)";
cmd = new SQLiteCommand(_sql, conn);
cmd.ExecuteNonQuery();
_sql = "select * from admin";
cmd = new SQLiteCommand(_sql, conn);
dr = cmd.ExecuteReader();
while (dr.Read())
{
Response.Write(dr["username"].ToString() + "," + dr["age"].ToString() + "<br/>");
}
}
}
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SQLite; //引用System.Data.SQLite
public partial class Sqlite : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string _connectionString = @"Data Source=F:\mzwucom\bbs\db1.db";
string _sql;
SQLiteConnection conn = new SQLiteConnection();
SQLiteCommand cmd;
SQLiteDataReader dr;
conn.ConnectionString = _connectionString;
conn.Open();
_sql = "insert into admin(username,age) values('user" + (new Random()).Next(1,100) + "',22)";
cmd = new SQLiteCommand(_sql, conn);
cmd.ExecuteNonQuery();
_sql = "select * from admin";
cmd = new SQLiteCommand(_sql, conn);
dr = cmd.ExecuteReader();
while (dr.Read())
{
Response.Write(dr["username"].ToString() + "," + dr["age"].ToString() + "<br/>");
}
}
}
评论: 0 | 引用: 0 | 查看次数: 15312
发表评论
请登录后再发表评论!