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net中怎么操作access數(shù)據(jù)庫

發(fā)布時(shí)間:2021-06-25 17:27:27 來源:億速云 閱讀:192 作者:Leah 欄目:開發(fā)技術(shù)

net中怎么操作access數(shù)據(jù)庫,相信很多沒有經(jīng)驗(yàn)的人對此束手無策,為此本文總結(jié)了問題出現(xiàn)的原因和解決方法,通過這篇文章希望你能解決這個(gè)問題。

代碼如下:


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 的摘要說明
/// </summary>
public class AccessDB
{
    public AccessDB()
    {
        //TODO: 在此處添加構(gòu)造函數(shù)邏輯
    }

    /// <summary>
    /// 讀取Access數(shù)據(jù)庫
    /// </summary>
    private void ReadAccessData()
    {
        //1、建立連接
        string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator.WWW-410ADC78208\桌面\應(yīng)用程序.mdb";
        OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
        //2、打開連接
        odcConnection.Open();
        //建立SQL查詢
        OleDbCommand odCommand = odcConnection.CreateCommand();
        //3、輸入查詢語句
        odCommand.CommandText = "SELECT table.編號, table.[123], table.[456] FROM [table];";
        //建立讀取
        OleDbDataReader odrReader = odCommand.ExecuteReader();
        //查詢并顯示數(shù)據(jù)
        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);
        }
        //關(guān)閉連接
        odrReader.Close();
        odcConnection.Close();
    }
    /// <summary>
    /// add
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void button1_Click(object sender, EventArgs e)
    {
        //1、建立連接
        string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator.WWW-410ADC78208\桌面\應(yīng)用程序.mdb";
        OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
        //2、打開連接
        odcConnection.Open();
        //建立SQL查詢
        OleDbCommand odCommand = odcConnection.CreateCommand();
        //3、輸入查詢語句
        odCommand.CommandText = "INSERT INTO [table]([123],[456]) VALUES('88','88' )";
        //執(zhí)行
        odCommand.ExecuteNonQuery();
        //關(guān)閉連接
        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、建立連接
        string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator.WWW-410ADC78208\桌面\應(yīng)用程序.mdb";
        OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
        //2、打開連接
        odcConnection.Open();
        //建立SQL查詢
        OleDbCommand odCommand = odcConnection.CreateCommand();
        //3、輸入查詢語句
        string sql = "DELETE table.編號 FROM [table] WHERE (((table.編號)=" + this.listView1.SelectedItems[0].SubItems[1].Text + "))";
        odCommand.CommandText = sql;
        //執(zhí)行
        odCommand.ExecuteNonQuery();
        //關(guān)閉連接
        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、建立連接
        string sAccessConnection = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator.WWW-410ADC78208\桌面\應(yīng)用程序.mdb";
        OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
        //2、打開連接
        odcConnection.Open();
        //建立SQL查詢
        OleDbCommand odCommand = odcConnection.CreateCommand();
        //3、輸入查詢語句
        string sql = "UPDATE [table] SET 123='11',456='11'  WHERE (((table.編號)=" + this.listView1.SelectedItems[0].SubItems[1].Text + "))";
        odCommand.CommandText = sql;
        //執(zhí)行
        odCommand.ExecuteNonQuery();
        //關(guān)閉連接
        odcConnection.Close();
        this.listView1.Items.Clear();
        ReadAccessData();
    }
}

看完上述內(nèi)容,你們掌握net中怎么操作access數(shù)據(jù)庫的方法了嗎?如果還想學(xué)到更多技能或想了解更多相關(guān)內(nèi)容,歡迎關(guān)注億速云行業(yè)資訊頻道,感謝各位的閱讀!

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