<%@ Page Language="VB" Debug="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Dim TimeString As String = DateTime.Now.Ticks.ToString() Dim a As UInt32 = UInt32.Parse(TimeString.Substring(TimeString.Length - 8, 8)) Dim b As Int32 = BitConverter.ToInt32(BitConverter.GetBytes(a), 0) Dim rnd As Random = New Random(b) Dim intRandomNumber As Integer = rnd.Next Response.Write(intRandomNumber) Dim ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source= DataDirectory aspxWeb.mdb;Persist Security Info=True" Dim sql As String = "select top 10 Title,objectGuid from Document Order By Rnd(" + (-1 * intRandomNumber).ToString() + "*id)" Dim cn As System.Data.OleDb.OleDbConnection = New System.Data.OleDb.OleDbConnection (ConnectionString) cn.Open() Dim cmd As System.Data.OleDb.OleDbCommand = New System.Data.OleDb.OleDbCommand(sql, cn) Dim dr As System.Data.OleDb.OleDbDataReader = cmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection) GridView1.DataSource = dr GridView1.DataBind() dr.Close() cmd.Dispose() cn.Dispose() cn = Nothing End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title>随机读取Access数据库记录</title> </head>
