protected async Task RefreshAllocations()
{
MyDB DB = new MyDB();
//if (CrossConnectivity.Current.IsConnected)
//{
try
{
App_activity_indicator.IsVisible = true;
App_activity_indicator.IsRunning = true;
string webaddress = Libraries.MobileConfig.GetWebAddress(Application.Current.Properties["campus"].ToString()) +
string.Format("DataFinder.aspx?dataFormat=mycourses&empcode={0}&acad={1}&sem={2}",
Application.Current.Properties["userno"], txt_year.SelectedItem.ToString(), txt_semester.SelectedItem.ToString().Substring(9, 1));
_client.Timeout = TimeSpan.Parse("00:00:15");
var content = await _client.GetStringAsync(webaddress);
var n = JsonConvert.DeserializeObject <List <Model.CourseAllocationModel> >(content);
List <Model.CourseAllocationModel> TT_data = new List <Model.CourseAllocationModel>(n);
if (TT_data.Count > 0)
{
DB.resetCourseAllocations();
DB.AddCourseAllocation(Application.Current.Properties["userno"].ToString(), content);
}
else
{
DB.resetCourseAllocations();
lv_timetable.ItemsSource = null;
}
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
catch (Exception ex)
{
//await DisplayAlert("Error!", "" + ex.Message, "OK");
// DB.resetCourseAllocations();
lv_timetable.ItemsSource = null;
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
//}
//else
//{
// await DisplayAlert("Warning", "No Internet Connection", "OK");
//}
var list = JsonConvert.DeserializeObject <List <Model.CourseAllocationModel> >(DB.GetMyCourseALlocations(Application.Current.Properties["userno"].ToString()));
List <Model.CourseAllocationModel> display_data = new List <Model.CourseAllocationModel>(list);
display_data = display_data.Where(c => c.sem == int.Parse(txt_semester.SelectedItem.ToString().Substring(9, 1)) &&
c.acad_year == txt_year.SelectedItem.ToString()).ToList();
lv_timetable.ItemsSource = display_data;
}
