protected void btnSend_Click(object sender, EventArgs e)
    {
        DAl    data   = new DAl();
        int    slider = 0;
        string path   = "";

        if (uploader.HasFile)
        {
            Random rnd      = new Random();
            string prename  = rnd.Next(10000, 9999999).ToString();
            string filename = uploader.PostedFile.FileName;
            path = "uploads/slider/" + prename + filename;
            uploader.SaveAs(Server.MapPath(path));
            slider = 1;
        }
        string sql = "INSERT INTO slider_news(title,sm,body,slider,img) VALUES('{0}','{1}','{2}','{3}','{4}')";

        sql = string.Format(sql, txttitle.Text.Trim(), txtsm.Text.Trim(), txtbody.Text.Trim(), slider, path);
        data.connect();
        data.docommand(sql);
        data.disconnect();
    }