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;
}
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);
}