private void InitializeTestValue()
{
NetPresentationValueModel netPresentationValue = new NetPresentationValueModel();
this.LowerBoundRate = 3.65m;
this.UpperBoundRate = 3.70m;
this.Increment = 0.010m;
this.InitialValue = 100000;
this.CashFlow1 = 10000;
this.CashFlow2 = 10000;
this.CashFlow3 = 10000;
}
private void OnClear()
{
NetPresentationValueModel netPresentationValue = new NetPresentationValueModel();
this.LowerBoundRate = 0;
this.UpperBoundRate = 0;
this.Increment = 0;
this.InitialValue = 0;
this.CashFlow1 = 0;
this.CashFlow2 = 0;
this.CashFlow3 = 0;
}
public void OnCalculate()
{
try
{
dynamic initTemp = InitialValue;
this.InitialValue = Convert.ToDecimal(Regex.Replace(InitialValue.ToString(), "-", ""));
var initialValue = Convert.ToDouble(InitialValue.ToString().Contains("-") ? InitialValue : Convert.ToDecimal("-" + InitialValue));
var diff = UpperBoundRate - LowerBoundRate;
int numberOfIncrement = Convert.ToInt32(diff / Increment);
decimal lbr = LowerBoundRate;
decimal ValueRate = Increment;
for (int i = 1; i <= numberOfIncrement; i++)
{
//CashFlow 1
var discountFactor1 = 1 / Math.Pow(Convert.ToDouble(1 + lbr), 1);
var presentValue1 = discountFactor1 * Convert.ToDouble(CashFlow1);
//CashFlow 2
var discountFactor2 = 1 / Math.Pow(Convert.ToDouble(1 + lbr), 2);
var presentValue2 = discountFactor2 * Convert.ToDouble(CashFlow2);
//CashFlow 2
var discountFactor3 = 1 / Math.Pow(Convert.ToDouble(1 + lbr), 3);
var presentValue3 = discountFactor3 * Convert.ToDouble(CashFlow3);
var totalPresentValue = initialValue + presentValue1 + presentValue2 + presentValue3;
NetPresentationValueModel netPV = new NetPresentationValueModel();
lbr += Increment;
ValueRate += Increment;
netPV.InitialValue = initTemp;
netPV.DiscountRate = lbr;
netPV.NPV = Convert.ToDecimal(totalPresentValue);
netPV.CashFlowAmount = InitialValue + Convert.ToDecimal(totalPresentValue);
netPV.DateCreated = DateTime.Now;
NPVModelList.Add(netPV);
this.SaveNPV(netPV.InitialValue, netPV.CashFlowAmount, netPV.DiscountRate, netPV.NPV);
}
InitialValue = initTemp;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + " Fill all filelds with correct values.", "Net Presentation Value");
}
}
