protected void Button2_Click(object sender, EventArgs e)
 {
     string str = "select * from student where student_ID='20051308025'";
    DB db = new DB();
    DataSet ds = db.Select(str, db.DBconn());
    SQLToWord sw = new SQLToWord();
   sw.ExportToWord(ds);
 }
    protected void Button2_Click(object sender, EventArgs e)
    {
        string    str = "select * from student where student_ID='20051308025'";
        DB        db  = new DB();
        DataSet   ds  = db.Select(str, db.DBconn());
        SQLToWord sw  = new SQLToWord();

        sw.ExportToWord(ds);
    }