for (int i = 0; i != amount.Length; i++)
    {
        if (amount[i] > 0)
        {
            string button = "Button" + i;
            Button[i].Visible = true;

        }
    }

for (int i = 0; i != amount.Length; i++)
    {
        if (amount[0] > 0)
        {

            button.Visible = true;

        }




       else if (amount[1] > 0)
       {

            button.Visible = true;

        }

#And so on (goes up to whatever the amount of numbers are in the array)...
    }