请问可以随机读取ACCESS表中的数据么？

gqlau 2009-04-13 09:49:12

如题
SQL应该怎么写呢？向大家请教，谢谢

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gqlau 2009-04-13

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问题已解决，谢谢

gqlau 2009-04-13

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谢谢weir55

想请教一下 Order By Rnd(" + (-1 * intRandomNumber) + "*id) 这里的这个id指的是什么？是自动编号的字段么？

weir55 2009-04-13

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<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

protected void Page_Load( object sender, EventArgs e )
{
Random rnd = new Random(unchecked((int)DateTime.Now.Ticks));
int intRandomNumber = rnd.Next();
string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|aspxWeb.mdb;Persist Security Info=True";
string sql = "select top 10 Title,objectGuid from Document Order By Rnd(" + (-1 * intRandomNumber) + "*id)";
System.Data.OleDb.OleDbConnection cn = new System.Data.OleDb.OleDbConnection(ConnectionString);
cn.Open();
System.Data.OleDb.OleDbCommand cmd = new System.Data.OleDb.OleDbCommand(sql, cn);
System.Data.OleDb.OleDbDataReader dr = cmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
GridView1.DataSource = dr;
GridView1.DataBind();
dr.Close();
cmd.Dispose();
cn.Dispose();
cn = null;

}
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>随机读取Access数据库记录</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:HyperLinkField DataNavigateUrlFields="objectGuid" HeaderText="文章" DataTextField="Title"
DataNavigateUrlFormatString="http://dotnet.aspx.cc/article/{0}/read.aspx" />
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>