VBScript UBound Function
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The UBound function returns the largest subscript for the indicated dimension of an array.
Tip: Use the UBound function with the LBound function to determine the size of an array.
Syntax
UBound(arrayname[,dimension])
| Parameter | Description |
|---|---|
| arrayname | Required. The name of the array variable |
| dimension | Optional. Which dimension's upper bound to return. 1 = first dimension, 2 = second dimension, and so on. Default is 1 |
Examples
Example 1
<%
days=Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat")
response.write(LBound(days) & "<br />")
response.write(UBound(days) & "<br />")
%>
days=Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat")
response.write(LBound(days) & "<br />")
response.write(UBound(days) & "<br />")
%>
The output of the code above will be:
0
6
Show Example »
6
Example 2
A two dimensional array:
<%
Dim food(2,3)
food(0,0)="Apple"
food(0,1)="Banana"
food(0,2)="Orange"
food(0,3)="Lemon"
food(1,0)="Pizza"
food(1,1)="Hamburger"
food(1,2)="Spaghetti"
food(1,3)="Meatloaf"
food(2,0)="Cake"
food(2,1)="Cookie"
food(2,2)="Icecream"
food(2,3)="Chocolate"
response.write(LBound(food,1) & "<br />")
response.write(UBound(food,1) & "<br />")
response.write(LBound(food,2) & "<br />")
response.write(UBound(food,2) & "<br />")
%>
Dim food(2,3)
food(0,0)="Apple"
food(0,1)="Banana"
food(0,2)="Orange"
food(0,3)="Lemon"
food(1,0)="Pizza"
food(1,1)="Hamburger"
food(1,2)="Spaghetti"
food(1,3)="Meatloaf"
food(2,0)="Cake"
food(2,1)="Cookie"
food(2,2)="Icecream"
food(2,3)="Chocolate"
response.write(LBound(food,1) & "<br />")
response.write(UBound(food,1) & "<br />")
response.write(LBound(food,2) & "<br />")
response.write(UBound(food,2) & "<br />")
%>
The output of the code above will be:
0
2
0
3
Show Example »
2
0
3
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