public Task addTask(string Name, DateTime CreatedDate, DateTime Enddate, string Description)
{
if (mID == "") return null;
else{
Task t = new Task();
t.WorkPackageID = mID;
t.Name = Name;
t.CreatedDate = CreatedDate;
t.EndDate = Enddate;
t.Description = Description;
t.Save();
return t;
}
}