public string ToStringJa()
{
StringBuilder sb = new StringBuilder();
if (FromDay != null)
{
sb.Append(FromDate.ToStringJa());
}
if (ToDateTime != null)
{
if (sb.Length > 0)
{
sb.Append(Resources.FromTo);
}
sb.Append(ToDate.ToStringJa());
}
return(sb.ToString());
}