private async void btn_ResetProd_Click(object sender, EventArgs e)
{
lstbx_types.ClearSelected();
chbxlist_ingrs.Items.Clear();
List <Ingredient> all_ingredients = (await _repo.GetAllIngredientsAsync()).ToList();
all_ingredients.ForEach(a => chbxlist_ingrs.Items.Add(a.IngredientName));
//Refresh productlist
dataGridViewProducts.DataSource = await _repo.GetProductsAsync();
}