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ASP Exists Method

Complete Dictionary Object Reference

The Exists method returns a Boolean value that indicates whether a specified key exists in the Dictionary object. It returns true if the key exists, and false if not.

Syntax

DictionaryObject.Exists(key)

Parameter	Description
key	Required. The key value to search for

Example

<%
dim d
set d=Server.CreateObject("Scripting.Dictionary")
d.Add "n","Norway"
d.Add "i","Italy"
d.Add "s","Sweden"

if d.Exists("n")=true then
Response.Write("Key exists!")
else
Response.Write("Key does not exist!")
end if

set d=nothing
%>

Output:

Key exists!