public static boolean hasMultibyte(String value) {if (value == null) {return false;}for (char c : value.toCharArray()) {if (c > 0xFF) {return true;}}return false;}
public static bool HasMultibyte(String value){if (value == null) return false;for (int i = 0; i < value.Length; i++){char c = value[i];if (c > 0xFF) return true;}return false;}