ASP Exists Method
Definition and Usage
The Exists method returns a Boolean value indicating whether the specified key exists in the Dictionary object. If it exists, returns true; otherwise, returns false.
Syntax:
DictionaryObject.Exists(key)
| Parameter | Description |
|---|---|
| key | Required. The key value to be searched. |
Instance
<%
dim d
set d=Server.CreateObject("Scripting.Dictionary")
d.Add "c","China"
d.Add "i","Italy"
d.Add "s","Sweden"
if d.Exists("c")=true then
Response.Write("Key exists!")
else
Response.Write("Key does not exist!")
end if
set d=nothing
%>
Output:
Key exists!
