public wineItem findWine(String id)
 {
     wineItem returnWine = new wineItem(id);
     for (int i = 0; i < collectionList.Count; i++)
     {
         if (collectionList[i].Equals(returnWine))
             return collectionList[i];
     }
     return null;
 }
 //removes the wine from the csv file
 public void RemoveWine(wineItem removedWine)
 {
     List<String> newWineList = new List<String>();
     StreamReader wineReader = new StreamReader(pathString);
     String readLineString;
     //reads in all wines besides the specified wine
     while(!wineReader.EndOfStream)
     {
         readLineString = wineReader.ReadLine();
         if(!readLineString.Split(',')[0].Equals(removedWine.WineId))
         {
             newWineList.Add(readLineString);
         }
     }
     wineReader.Close();
     //writes the read in lines to the csv after eracing it
     StreamWriter newFileWriter = new StreamWriter(File.Open(pathString, FileMode.Create));
     foreach (string s in newWineList)
         newFileWriter.WriteLine(s);
     newFileWriter.Close();
 }
 /// <summary>
 /// checks to see if the peramiters are valid then adds the wine to the wine list
 /// </summary>
 /// <param name="peramitersStrings"></param>
 private void addWineItem(String[] peramitersStrings)
 {
     //if peramiters are vallid
     if (peramitersStrings.Length == 3)
     {
         if (collectedWineItems.findWine(peramitersStrings[0]) == null)
         {
             // add wine item
             wineItem addWine = new wineItem(peramitersStrings[0], peramitersStrings[1], peramitersStrings[2]);
             collectedWineItems.AddWine(addWine);
             processCSV.AddWine(addWine);
         }
         else
         {
             Console.WriteLine("Error: " + peramitersStrings[0] + " matches a wine ID already in the database");
         }
     }
     else if (peramitersStrings.Length > 3)
         Console.WriteLine("Error: to many parameters");
     else
         Console.WriteLine("Error: to few parameters");
 }
 //adds a wine to the csv list
 public void AddWine(wineItem addedWine)
 {
     StreamWriter wineWriter = File.AppendText(pathString);
     wineWriter.WriteLine(addedWine.WineId + "," + addedWine.WineDescription + "," + addedWine.WinePack);
     wineWriter.Close();
 }
 /// <summary>
 /// removes the wine item matching the input wine item from the list
 /// </summary>
 /// <param name="removealItem"></param>
 public void removeWine(wineItem removealItem)
 {
     collectionList.Remove(removealItem);
 }
 public void AddWine(wineItem addedWine)
 {
     collectionList.Add(addedWine);
 }