asp For Each Next 用法與For Each執行個體教程

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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
%>

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