Batch delete data using a simple method

You can see some examples of batch data deletion on the Internet. however, most of them use arrays to save the selected id. this is troublesome and difficult to understand. I will use a simple method to implement this function. (just look at the red part, and add a delete prompt window)
Using System;
Using System. Collections;
Using System. ComponentModel;
Using System. Data;
Using System. Drawing;
Using System. Web;
Using System. Web. SessionState;
Using System. Web. UI;
Using System. Web. UI. WebControls;
Using System. Web. UI. HtmlControls;
Using System. Data. OleDb;
Namespace overred. test
{
/// <Summary>
/// Summary of t1.
/// </Summary>
Public class t1: System. Web. UI. Page
{
Protected System. Web. UI. WebControls. Label message;
Protected System. Web. UI. WebControls. LinkButton showck;
Protected System. Web. UI. WebControls. CheckBox CheckBox1;
Protected System. Web. UI. WebControls. LinkButton delall;
Protected System. Web. UI. WebControls. DataGrid dg;
Private OleDbCommand cmd;
Private OleDbConnection conn;
Protected System. Web. UI. WebControls. LinkButton lb;
Private string datas;


Private void Page_Load (object sender, System. EventArgs e)
{

Session ["s"] = "dd ";
// Place user code here to initialize the page
If (! This. Page. IsPostBack)
SQL ();




}

Private DataSet Getds ()
{
Datas = "Provider = Microsoft. Jet. OLEDB.4.0; Data Source =" + Server. MapPath (".../overred. mdb ");
Conn = new OleDbConnection (datas );
Conn. Open ();
OleDbDataAdapter adp = new OleDbDataAdapter ("select * from subnews order by news_order desc", conn );
DataSet ds = new DataSet (); adp. Fill (ds, "link ");
Return ds;




}
Private void SQL ()
{
Alter ();
Using (DataSet dss = Getds ())