private void bt_Tim_Click(object sender, EventArgs e)
{
if (tb_loaikhuyenmai.Text!= "")
{
lv_dsketqua.Items.Clear();
client = new ServiceReference1.Service1Client();
client.TimkhuyenmaiCompleted += new EventHandler<ServiceReference1.TimkhuyenmaiCompletedEventArgs>(TimkhuyenmaiCallBack);
client.TimkhuyenmaiAsync(tb_loaikhuyenmai.Text);
}
else
{
lv_dsketqua.Items.Clear();
client = new ServiceReference1.Service1Client();
client.LoadNHCFCompleted += new EventHandler<ServiceReference1.LoadNHCFCompletedEventArgs>(LoadNHCFCallBack);
client.LoadNHCFAsync();
}
}