protected void LoadTongiao(string q)
{
TONGIAOBusiness tg = new TONGIAOBusiness();
DataTable dt = tg.GetList();
danhsachtongiao.DataSource = dt;
danhsachtongiao.DataBind();
}
protected void Load_tongiao()
{
TONGIAOBusiness ton_giao = new TONGIAOBusiness();
DataTable tg = ton_giao.GetList();
tongiao.DataValueField = "tgid";
tongiao.DataTextField = "tentg";
tongiao.DataSource = tg;
tongiao.DataBind();
}