IsDate
VBScript IsDate funksiyasi
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IsDate funksiyasi hisoblangan ifodani sanaga o‘girish mumkinligini bildiruvchi Boolean qiymatni qaytaradi. Agar ifoda sana bo‘lsa yoki uni sanaga o‘girish mumkin bo‘lsa, True, aks holda False qaytaradi.
Eslatma: IsDate funksiyasi stringni sanaga o‘girish mumkinligini aniqlashda lokal sozlamalardan foydalanadi ("January" hamma tillarda ham oy nomi emas.)
Sintaksis
IsDate(expression)
| Parametr | Tavsif |
|---|---|
| expression | Majburiy. Hisoblanadigan ifoda |
1-misol
Yaroqli sanalar:
<%
response.write(IsDate("April 22, 1947"))
response.write("<br />")
response.write(IsDate(#01/31/10#))
%>
Yuqoridagi kodning natijasi quyidagicha bo‘ladi:
True
True
Misolni ko‘rsatish »
2-misol
Yaroqsiz sanalar:
<%
response.write(IsDate("#01/31/10#"))
response.write("<br />")
response.write(IsDate("52/17/2010"))
response.write("<br />")
response.write(IsDate("Hello World!"))
%>
Yuqoridagi kodning natijasi quyidagicha bo‘ladi:
False
False
False
Misolni ko‘rsatish »
❮ To‘liq VBScript ma’lumotnomasi
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