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private void busdata_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
listboxcate.ItemsSource = null;
listboxname.ItemsSource = null;
client.getcatebyidAsync((busdata.SelectedItem as Je_Business).BusId);//异步调用
client.getcatebyidCompleted+=new EventHandler<getcatebyidCompletedEventArgs>(client_getcatebyidCompleted);
}
void client_getcatebyidCompleted(object sender, getcatebyidCompletedEventArgs e)
{
if (e.Error == null)
{
if (e.Result.Count() == 0)
{
MessageBox.Show("该商家没有添加类别");
}
else
{
listboxcate.ItemsSource = e.Result;
}
}
}