private async void BtnLogin_OnClicked(object sender, EventArgs e)
{
string username = CBYear.SelectedItem.ToString() + CBProgram.SelectedItem.ToString() +
EntryRollNo.Text.Trim();
BtnLogin.IsEnabled = false;
var student = await _studentController
.Authenticate(
new AuthenticationModel()
{
Password = entryPassword.Text, Username = username
}
);
if (student == null)
{
await DisplayAlert("Unable to login!", "Authentication Error", "Ok");
BtnLogin.IsEnabled = true;
return;
}
Application.Current.MainPage = new NavigationPage(new MainView.MainView());
}