public void SetPosition(int accountID, decimal curPos)
{
var cash = _da.GetCashes(accountID).FirstOrDefault();
if (cash == null)
{
Cash c = new Cash();
c.AccountID = accountID;
c.Current = curPos;
_da.InsertCash(c);
}
else if (cash.Current != curPos)
{
cash.Current = curPos;
_da.UpdateCash(cash);
}
}
