// ----------------------------------------------------------------------------------------------------
// Method add price to hash table
private void AddPriceToHashtable(string zipcode, double price)
{
double[] arrayForAverage = { 0, 0 };
if (PricesByZip.ContainsKey(zipcode))
{
object objArray = PricesByZip[zipcode];
if (objArray != null)
{
arrayForAverage = (double[])objArray;
arrayForAverage[0] = arrayForAverage[0] + price; //keeps the sum of the prices per zipcode
arrayForAverage[1] = arrayForAverage[1] + 1; //keeps the sum of the number of sales per zipcode
PricesByZip[zipcode] = arrayForAverage;
}
}
else
{
arrayForAverage[0] = price;
arrayForAverage[1] = 1;
PricesByZip.Add(zipcode, arrayForAverage);
}
}
// ----------------------------------------------------------------------------------------------------
// Method update filtered data
public void UpdateFilteredData()
{
FilteredData = Data.DataFiltered.ToTable();
QuantityPerYear.Clear();
PricesByZip.Clear();
UpdateQuantityPerYear();
UpdatePricesByZip();
}
