private async void OnRestore_Clicked(object sender, EventArgs e)
        {
            try
            {
                FileData file = await CrossFilePicker.Current.PickFile();

                string filePath = file.FilePath;

                await dbManage.ImportDbData(filePath);
            }
            catch (Exception ex)
            {
                await DisplayAlert("Error", ex.Message, "OK");
            }
        }