asp For Each Next 用法與For Each執行個體教程

來源:互聯網
上載者:User

在For Each ... Next迴圈類似,對於... Next迴圈。而不是重複陳述的指定的次數,

每名... Next迴圈重複的對象集合為數組中的每個元素的聲明(或每個項目)。

下面的代碼片斷建立下拉式清單中選擇其中一個數組元素:

Select ActionSelect AllTry It<%
Dim bookTypes(7) 'creates first array
bookTypes(0)="Classic"
bookTypes(1)="Information Books"
bookTypes(2)="Fantasy"
bookTypes(3)="Mystery"
bookTypes(4)="Poetry"
bookTypes(5)="Humor"
bookTypes(6)="Biography"
bookTypes(7)="Fiction"
 
Dim arrCars(4) 'creates second array
arrCars(0)="BMW"
arrCars(1)="Mercedes"
arrCars(2)="Audi"
arrCars(3)="Bentley"
arrCars(4)="Mini"

Sub createList(some_array) 'takes an array and creates drop-down list
  dim i
  response.write("<select name=""mylist"">" & vbCrLf) 'vbCrLf stands for

Carriage Return and Line Feed
  For Each item in some_array
     response.write("<option value=" & i & ">" & item & "</option>" &

vbCrLf)
     i = i + 1
  Next 'repeat the code and move on to the next value of i
  response.write("</select>")
End Sub

'Now let's call the sub and print out our lists on the screen
Call createList(bookTypes) 'takes bookTypes array as an argument
Call createList(arrcars) 'takes arrCars array as an argument
%>

相關文章

Cloud Intelligence Leading the Digital Future

Alibaba Cloud ACtivate Online Conference, Nov. 20th & 21st, 2019 (UTC+08)

Register Now >

11.11 Big Sale for Cloud

Get Unbeatable Offers with up to 90% Off,Oct.24-Nov.13 (UTC+8)

Get It Now >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。