Imports System.Data.OleDb
Inherits System.Windows.Forms.Form
Dim myconnection As New OleDbConnection("provider=microsoft.jet.oledb.4.0;data source=" & Application.StartupPath & "\student0.mdb") ‘------------------------- 链接数据库
Dim mycommand As OleDbCommand
Dim mydatareader As OleDbDataReader
在别的事件中打开表
myconnection.Open()
mycommand = New OleDbCommand("SELECT * from 管理员表 where username='" & Trim(Txt_Username.Text) & "'and password='" & Trim(Txt_pwd.Text) & "'", myconnection)
mydatareader = mycommand.ExecuteReader()
//private string datapatch = ConfigurationSettings.AppSettings["acessconn"];//数据库地址
private string datapatch = "db/global.asa";//数据库地址
///
/// 取得dataset
//
/// 查询语句
///
public DataSet GetDataSet(string Commandtext)
{&nbs ......
在web config中 作如下配置：
<connectionStrings>
<add name="ydycon" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=|DataDirectory|ydy.mdb" providerName="System.Data.OleDb"/>
</connectionStrings>
在.net文件中应用链接 ......
