<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script runat="server">
void Page_load(Object src, EventArgs e) {
OleDbConnection Conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0"+
"Data Source="+Server.MapPath("person.mdb"));
Conn.Open();
string strSQL = "select * from grade";
OleDbDataAdapter da = new OleDbDataAdapter(strSQL,Conn);
DataSet ds = new DataSet();
da.Fill(ds,"grade");
DataTable dt=ds.Tables["grade"];
DataRow row = dt.NewRow();
row["学号"]="199";
row["姓名"]="小布什asdad";
row["数学"]=58;
dt.Rows.Add(row);
OleDbCommandBuilder cb = new OleDbCommandBuilder(da);
da.Update(ds,"grade");
dg.DataSource = ds.Tables["grade"].DefaultView;
dg.DataBind();
Conn.Close();
}

</script>
<asp:DataGrid id="dg" runat="server"></asp:DataGrid>

在此处引发异常

连接串写得不正确,这样试一下`~
OleDbConnection Conn = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;" + @"Data Source=" + Server.MapPath("~/person.mdb;"));

我刚才初步调试conn.open();正常通过,但我没那个表,下在的更新代码没执行~~出什么错?你再检查一下`~根目录有没这个Access?

根目录里有啊
但还是继续异常

现在是哪一步有错,还有你把异常错误贴出来呀,不然咋知道是什么错?