public void EditCharacteristics(string id, string charName, string charValue, string oldN, string oldV)
{
MongodbFunctions mongo = new MongodbFunctions();
ObjectId objID = new ObjectId(id);
Databases.DomainModel.Product product = mongo.GetProduct(objID);
List <string> chars = product.Characteristics;
string newChar = charName + ":" + charValue;
if (oldN.Equals("") || oldV.Equals(""))
{
chars.Add(newChar);
}
else
{
int index = chars.IndexOf(oldN + ":" + oldV);
chars.RemoveAt(index);
chars.Insert(index, newChar);
}
mongo.UpdateCharacteristics(objID, chars);
}