예제 #1
0
        double validateAndOperate()
        {
            Interest_calc calc=new Interest_calc();
            decimal number;
            double principle, rate, time,interest_temp;
            if((Decimal.TryParse(textBoxPrinciple.Text,out number))&&(Decimal.TryParse(textBoxRate.Text, out number))&& (Decimal.TryParse(textBoxTime.Text, out number)))
            {
                principle = Convert.ToDouble(textBoxPrinciple.Text);
                rate = Convert.ToDouble(textBoxRate.Text);
                time = Convert.ToDouble(textBoxTime.Text);
                calc.Principle = principle;
                calc.Rate = rate;
                calc.Time = time;
                interest_temp = calc.interest_amount_calc();

             }
            else
            {

                {
                    interest_temp = -1;
                }

            }
            return interest_temp;
        }
예제 #2
0
        double validateAndOperate()
        {
            Interest_calc calc = new Interest_calc();
            decimal       number;
            double        principle, rate, time, interest_temp;

            if ((Decimal.TryParse(textBoxPrinciple.Text, out number)) && (Decimal.TryParse(textBoxRate.Text, out number)) && (Decimal.TryParse(textBoxTime.Text, out number)))
            {
                principle      = Convert.ToDouble(textBoxPrinciple.Text);
                rate           = Convert.ToDouble(textBoxRate.Text);
                time           = Convert.ToDouble(textBoxTime.Text);
                calc.Principle = principle;
                calc.Rate      = rate;
                calc.Time      = time;
                interest_temp  = calc.interest_amount_calc();
            }
            else
            {
                {
                    interest_temp = -1;
                }
            }
            return(interest_temp);
        }