protected async Task RefreshClaimLectures()
{
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=myclaimslectures&CID={0}", claimID);
_client.Timeout = TimeSpan.Parse("00:00:15");
var content = await _client.GetStringAsync(webaddress);
var n = JsonConvert.DeserializeObject <List <Model.LectureModel> >(content);
List <Model.LectureModel> L_data = new List <Model.LectureModel>(n);
// await DisplayAlert("Content ", "Items " + L_data.Count, "OK");
if (L_data.Count > 0)
{
DB.resetLectures();
DB.AddLectures(content);
}
else
{
//await DisplayAlert("Content ", "Sem " + content, "OK");
DB.resetLectures();
lv_claimlectures.ItemsSource = null;
}
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
catch (Exception)
{
//await DisplayAlert("Error!", "" + ex.Message, "OK");
DB.resetLectures();
lv_claimlectures.ItemsSource = null;
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
}
else
{
await DisplayAlert("Warning", "No Internet Connection", "OK");
}
// await DisplayAlert("Content ", "Content " + DB.GetAllLectures(), "OK");
var list = JsonConvert.DeserializeObject <List <Model.LectureModel> >(DB.GetAllLectures());
List <Model.LectureModel> display_data = new List <Model.LectureModel>(list);
lv_claimlectures.ItemsSource = display_data;
lv_claimlectures.EndRefresh();
}