protected async override void OnAppearing()
{
base.OnAppearing();
DataTable dt = new DataTable();
BackupHandler edf = new BackupHandler();
var temp = (measunit)BindingContext;
using (var stream = await FileSystem.OpenAppPackageFileAsync("MEASUNIT.EDF"))
{
using (var reader = new StreamReader(stream))
{
dt = edf.readEDF(reader);
reader.Close();
}
stream.Close();
}
}