private void country_dd_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
string country_name = country_dd.SelectedItem.ToString();
if (country_name != country_not_available)
{
SetConnectionStatus(true);
}
if (country_dd.SelectedItem == global_countries)
{
CovidGetGlobalData();
}
else
{
var province_list = GetProvinceList(country_name);
string country_code = CovidHelper.GetCountryCode4mName(country_name);
//Get province data.
province_dd.DataSource = province_list;
CovidGetCountryData(country_name);
//Load the flag.
string flags_url = CovidHelper.GetFlagsURL(country_code);
country_flag_picbox.Load(flags_url);
}
}
catch (NullReferenceException ex)
{
ShowError("Internet connection lost");
confirm_txt_box.Text = fatal_txt_box.Text = recovered_txt_box.Text = "NAN";
SetConnectionStatus(false);
}
catch (Exception ex)
{
if (ex.Message.Contains("(404) Not Found"))
{
country_flag_picbox.Load(CovidHelper.country_error_url);
}
else
{
ShowError(ex.Message);
}
}
}
static void CovidLoadData(CountriesInfo country_info, List <CovidDataList> covid_data_list, string filter_option, int display_size = 6)
{
try
{
Label[] countries_label = { country_info.country_1, country_info.country_2, country_info.country_3, country_info.country_4, country_info.country_5, country_info.country_6 };
Label[] countries_active = { country_info.country_1_active, country_info.country_2_active, country_info.country_3_active, country_info.country_4_active, country_info.country_5_active, country_info.country_6_active };
Label[] countries_fatal = { country_info.country_1_fatal, country_info.country_2_fatal, country_info.country_3_fatal, country_info.country_4_fatal, country_info.country_5_fatal, country_info.country_6_fatal };
Label[] countries_recovered = { country_info.country_1_recovered, country_info.country_2_recovered, country_info.country_3_recovered, country_info.country_4_recovered, country_info.country_5_recovered, country_info.country_6_recovered };
PictureBox[] countries_flags_pb = { country_info.country_1_picbox, country_info.country_2_picbox, country_info.country_3_picbox, country_info.country_4_picbox, country_info.country_5_picbox, country_info.country_6_picbox };
if (filter_option == ACTIVE_CASE)
{
covid_data_list = covid_data_list.OrderByDescending(cd_list => ulong.Parse(cd_list.active_cases)).ToList();
country_info.title.Text = "Countries Info by Active cases";
}
else if (filter_option == FATAL_CASE)
{
covid_data_list = covid_data_list.OrderByDescending(cd_list => ulong.Parse(cd_list.fatal_cases)).ToList();
country_info.title.Text = "Countries Info by Fatal cases";
}
else if (filter_option == RECOVERED_CASE)
{
//covid_data_list = covid_data_list.OrderByDescending(cd_list => ulong.Parse(cd_list.recovered_cases)).ToList();
country_info.title.Text = "Countries Info by Recovered cases";
ShowWarning("Recovered cases has problem right now correct information is not displayed");
}
//Reset previous data.
for (int index = 0; index < display_size; ++index)
{
countries_active[index].Text = "NAN";
countries_fatal[index].Text = "NAN";
countries_recovered[index].Text = "NAN";
}
//Load the data on information page.
string active_cases = null, fatal_cases = null, recovered_cases = null;
for (int index = 0; index < display_size; ++index)
{
string country = covid_data_list[index].country;
active_cases = covid_data_list[index].active_cases;
fatal_cases = covid_data_list[index].fatal_cases;
recovered_cases = covid_data_list[index].recovered_cases;
countries_label[index].Text = country;
if (filter_option == ACTIVE_CASE)
{
countries_active[index].Text = active_cases;
}
else if (filter_option == FATAL_CASE)
{
countries_fatal[index].Text = fatal_cases;
}
else if (filter_option == RECOVERED_CASE)
{
countries_recovered[index].Text = recovered_cases;
}
//Load the flag.
if (connection_status)
{
string country_code = CovidHelper.GetCountryCode4mName(country);
string flags_url = CovidHelper.GetFlagsURL(country_code);
countries_flags_pb[index].Load(flags_url);
}
}
}
catch (Exception ex)
{
ShowError(ex.Message);
}
}