protected async Task RefreshGraduands()
{
if (CrossConnectivity.Current.IsConnected)
{
try
{
App_activity_indicator.IsVisible = true;
App_activity_indicator.IsRunning = true;
ProgrammeModel prog = (ProgrammeModel)txtProgramme.SelectedItem;
string grad_webaddress = Libraries.MobileConfig.GetWebAddress("Main Campus") +
string.Format("DataFinder.aspx?dataFormat=graduationlist&acad={0}&prog={1}", txt_year.SelectedItem.ToString(), prog.prog_id);
_client.Timeout = TimeSpan.Parse("00:00:15");
var grad_content = await _client.GetStringAsync(grad_webaddress);
MyDB DB = new MyDB();
var n = JsonConvert.DeserializeObject <List <Model.GraduandModel> >(grad_content);
List <Model.GraduandModel> grad_data = new List <Model.GraduandModel>(n);
if (grad_data.Count > 0)
{
//await DisplayAlert("IUIU Mobile",grad_content, "OK");
DB.resetGraduands(prog.prog_id);
DB.AddGraduands(grad_content, prog.prog_id);
}
else
{
await DisplayAlert("IUIU Mobile", "No Data Found. Check Your Connection", "OK");
}
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
catch (Exception)
{
App_activity_indicator.IsVisible = false;
App_activity_indicator.IsRunning = false;
}
}
else
{
await DisplayAlert("Warning", "No Internet Connection", "OK");
}
}
