private async void showSkills(int?ClassID)
{
SkillRepository s = new SkillRepository();
try
{
List <Skill> skills;
if (ClassID.GetValueOrDefault() > 0)
{
skills = await s.GetSkillByClass(ClassID.GetValueOrDefault());
}
else
{
skills = await s.GetSkills();
}
skillList.ItemsSource = skills;
skillList.IsVisible = true;
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
if (ex.GetBaseException().Message.Contains("connection with the server"))
{
await DisplayAlert("Error", "No connection with the server. Check that the Web Service is running and available and then click the Refresh button.", "Ok");
}
else
{
await DisplayAlert("Error", "If the problem persists, please call your system administrator.", "Ok");
}
}
else
{
await DisplayAlert("General Error", "If the problem persists, please call your system administrator.", "Ok");
}
}
}