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。Net之Access数据库操作

2010-09-14 16:41 302 查看
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 Settings\Administrator.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 ;";

//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 Settings\Administrator.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
([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 Settings\Administrator.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
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 Settings\Administrator.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
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();

}
}
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