public async void GetExamInfo() { string html = null; try { html = await _coreService.GetExamInfo(_httpService, ViewModel.BJUTEduCenterVM.Name, BJUTEduCenterUserinfo.Username); } catch (HttpRequestException requestException) { GalaSoft.MvvmLight.Messaging.Messenger.Default.Send("获取数据失败", messageToken); } catch { GalaSoft.MvvmLight.Messaging.Messenger.Default.Send("遇到错误/(ㄒoㄒ)/~~", messageToken); return; } try { ParseExamInfo(html); } catch { GalaSoft.MvvmLight.Messaging.Messenger.Default.Send("解析数据失败", messageToken); } }