/* Increases balance */ private void button10_Click(object sender, EventArgs e) { String input = bunifuMaterialTextbox8.Text; long amount = 0; amount = Convert.ToInt64(input); client.AddMoney(amount); // update Double aux = Convert.ToDouble(this.Balance.Text); aux += amount; this.Balance.Text = "" + aux; this.bunifuMaterialTextbox8.Text = ""; aux = Convert.ToDouble(this.label35.Text); aux += amount; updateAvailableBalance("" + aux); }