这篇文章主要介绍了net操作access数据库示例,需要的朋友可以参考下
代码如下:
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;
/// <summary>
///AccessDB 的摘要说明
/// </summary>
public class AccessDB
{
public AccessDB()
{
//TODO: 在此处添加构造函数逻辑
}
/// <summary>
/// 读取Access数据库
/// </summary>
private void ReadAccessData()
{
//1、建立连接
string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsAdministrator.WWW-410ADC78208桌面应用程序.mdb";
OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
//2、打开连接
odcConnection.Open();
//建立SQL查询
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、输入查询语句
odCommand.CommandText = "SELECT table.编号, table.[123], table.[456] FROM [table];";
//建立读取
OleDbDataReader odrReader = odCommand.ExecuteReader();
//查询并显示数据
while (odrReader.Read())
{
ListViewItem item = new ListViewItem();
item.SubItems.Add(odrReader[0].ToString());
item.SubItems.Add(odrReader[1].ToString());
item.SubItems.Add(odrReader[2].ToString());
this.listView1.Items.Add(item);
}
//关闭连接
odrReader.Close();
odcConnection.Close();
}
/// <summary>
/// add
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
//1、建立连接
string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsAdministrator.WWW-410ADC78208桌面应用程序.mdb";
OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
//2、打开连接
odcConnection.Open();
//建立SQL查询
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、输入查询语句
odCommand.CommandText = "INSERT INTO [table]([123],[456]) VALUES('88','88' )";
//执行
odCommand.ExecuteNonQuery();
//关闭连接
odcConnection.Close();
this.listView1.Items.Clear();
ReadAccessData();
}
/// <summary>
/// delete
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
//1、建立连接
string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsAdministrator.WWW-410ADC78208桌面应用程序.mdb";
OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
//2、打开连接
odcConnection.Open();
//建立SQL查询
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、输入查询语句
string sql = "DELETE table.编号 FROM [table] WHERE (((table.编号)=" + this.listView1.SelectedItems[0].SubItems[1].Text + "))";
odCommand.CommandText = sql;
//执行
odCommand.ExecuteNonQuery();
//关闭连接
odcConnection.Close();
this.listView1.Items.Clear();
ReadAccessData();
}
/// <summary>
/// update
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
//1、建立连接
string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsAdministrator.WWW-410ADC78208桌面应用程序.mdb";
OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
//2、打开连接
odcConnection.Open();
//建立SQL查询
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、输入查询语句
string sql = "UPDATE [table] SET 123='11',456='11'WHERE (((table.编号)=" + this.listView1.SelectedItems[0].SubItems[1].Text + "))";
odCommand.CommandText = sql;
//执行
odCommand.ExecuteNonQuery();
//关闭连接
odcConnection.Close();
this.listView1.Items.Clear();
ReadAccessData();
}
}
