<summary>
</summary>
<param name="target"></param>
<returns></returns>
private string cnv西暦変換(string target)
{
string[] str = target.Replace(" ","").Split('年','月','日');
return string.Format("{0:D4}{1:D2}{2:D2}", Convert.ToInt32(str[0]),
Convert.ToInt32(str[1]),
Convert.ToInt32(str[2]));
}
<summary>
</summary>
<param name="target"></param>
<returns></returns>
private string cnv和暦変換(string target)
{
CultureInfo culture = new CultureInfo("ja-JP", true);
culture.DateTimeFormat.Calendar = new JapaneseCalendar();
DateTime result
= DateTime.ParseExact(target, "ggyy年M月d日", culture);
return string.Format("{0:D4}{1:D2}{2:D2}", result.Year, result.Month, result.Day);
}