Execl导入功能请问。_ASP.NET

Execl导入功能请教。急急急急急急！！
将Execl表中的数据导入到DataTable或List中在页面显示，点击确认后在保存到数据库

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C# code

    private DataSet xsldata(string filepath, int type)    {        //HDR标识是否有表头，IMEX标识格式是文本        string strCon = "";        if (type == 1)   //Execl2007、2010版本            strCon = "Provider=Microsoft.Ace.OleDb.12.0;Data Source=" + filepath + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1;'";        else    //Execl2003版本            strCon = "Provider=Microsoft.Jet.Oledb.4.0;Data Source=" + filepath + ";Extended Properties='Excel 8.0;HDR=Yes;IMEX=1;'";        System.Data.OleDb.OleDbConnection Conn = new System.Data.OleDb.OleDbConnection(strCon);        string strCom = "SELECT * FROM [Sheet1$]";        Conn.Open();        System.Data.OleDb.OleDbDataAdapter myCommand = new System.Data.OleDb.OleDbDataAdapter(strCom, Conn);        DataSet ds = new DataSet();        myCommand.Fill(ds, "ds");        Conn.Close();        return ds;    }