public static cudt_PriceDate Parse(SqlString s)
{
if (s.IsNull || s.Value.ToLower() == "null")
{
return(Null);
}
cudt_PriceDate st = new cudt_PriceDate();
string[] xy = s.Value.Split(";".ToCharArray());
st.stockPrice = Double.Parse(xy[0]);
st.businessDay = DateTime.Parse(xy[1]);
return(st);
}
public static SqlDouble DiffPrice(cudt_PriceDate from, cudt_PriceDate to)
{
return(to.StockPrice - from.StockPrice);
}
public static SqlInt32 DiffDate(cudt_PriceDate from, cudt_PriceDate to)
{
TimeSpan delta = to.BusinessDay.Subtract(from.BusinessDay);
return(delta.Days);
}
