private async void BtnValider_Clicked(object sender, System.EventArgs e)
        {
            Space s = new Space
            {
                Capacity    = ((EspaceViewModel)this.BindingContext).Capacity,
                CreatedAt   = DateTime.Now,
                Description = ((EspaceViewModel)this.BindingContext).Description,
                Name        = ((EspaceViewModel)this.BindingContext).Name,
                Picture     = ((EspaceViewModel)this.BindingContext).Picture,
                Type        = ((EspaceViewModel)this.BindingContext).Type,
                CreatedBy   = 2
            };

            await spaceRepository.CreateSpace(s);

            await DisplayAlert("Création de l'espace", "L'espace a bien été créé", "Ok");

            await PopupNavigation.Instance.PopAsync();
        }