protected void btnUpdate_Click(object sender, EventArgs e)
 {
     ////保存修改到数据库
     ChannelDal channelDal = new ChannelDal();
     channelDal.Save(txtChannelCode.ToolTip, txtCigaretteCode.Text, txtCigaretteName.Text,ddlStatus.SelectedValue);
     JScript.Instance.ShowMessage(UpdatePanel1, "保存数据成功。");
 }