用OleDbConnectionStringBuilder对象来构建连接字符串的实例

分类：VB.Net

乐博网lob.cn提示：调试环境为 vs2005 +  windows2003 / windows2008 / xp / vista + .NET Framework 2.0

代码如下：

Option Strict On

Imports System.Data.OleDb

Public Class LOB

    Private Sub btnConnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConnect.Click
        Try

            ' 利用 OleDbConnectionStringBuilder 对象来构建连接字符串。
            Dim connectStringBuilder As New OleDbConnectionStringBuilder()
            connectStringBuilder.DataSource = "C:\乐博网\Database\乐博网access数据库.mdb"
            connectStringBuilder.Provider = "Microsoft.Jet.OLEDB.4.0"

            Using cn As New OleDbConnection(connectStringBuilder.ConnectionString)
                cn.Open()

                Dim ds As New DataSet()

                Dim cmdLiming As New OleDbCommand("SELECT * FROM 学生", cn)

                Using drLiming As OleDbDataReader = cmdLiming.ExecuteReader()

                    ds.Load(drLiming, LoadOption.OverwriteChanges, New String() {"学生"})

                    ' 将 BindingSource 组件系结至 DataSet 当中的“学生”数据表。
                    Me.BindingSource1.DataSource = ds.Tables("学生")

                    ' 将 DataGridView 控件系结至 BindingSource 组件。
                    Me.DataGridView1.DataSource = Me.BindingSource1

                End Using
            End Using
        Catch ex As Exception
            MessageBox.Show(ex.Message, "乐博网提示", MessageBoxButtons.OK, MessageBoxIcon.Stop)
        End Try
    End Sub

    Private Sub LOB_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub DataGridView1_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellContentClick

    End Sub
End Class