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net操作access数据库示例分享

关键词:示例操作数据库分享net  阅读(425) 赞(7)

[摘要]这篇文章主要介绍了net操作access数据库示例,希望我们提供的文章能够对你解决相关问题有所帮助。


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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