public override int GetHashCode()
{
int result = key != null?key.GetHashCode() : 0;
result = 29 * result + (valueColName != null ? valueColName.GetHashCode() : 0);
result = 29 * result + (formula != null ? formula.GetHashCode() : 0);
return(result);
}
public override int GetHashCode()
{
return(base.GetHashCode() + 29 * (nextKey != null ? nextKey.GetHashCode() : 0));
}