。Net之Access数据库操作

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 [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 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 [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 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 [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 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 [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();

    }
}

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