protected void Button1_Click(object sender, EventArgs e)
        {
            Product reg = new Product();

            if (Name.Text != "")
            {
                reg.Name = Name.Text;
            }
            if (Kal.Text != "")
            {
                reg.Calories = Convert.ToInt32(Kal.Text);
            }
            if (Fat.Text != "")
            {
                reg.Fats = Convert.ToInt32(Fat.Text);
            }
            if (Bel.Text != "")
            {
                reg.Proteins = Convert.ToInt32(Bel.Text);
            }
            if (Ca.Text != "")
            {
                reg.Ca = Convert.ToInt32(Ca.Text);
            }
            if (price.Text != "")
            {
                reg.Price = Convert.ToDecimal(price.Text);
            }

            Repository.CreateProduct(reg);
        }