Classic ASP
Classic ASP
Find and Delete Object from JSON Array
See more JSON Examples
Demonstrates how to find an delete an object from a JSON array of objects.Chilkat Classic ASP Downloads
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0
' This example will delete the "Pasta" category object from Menu B.
' {
' "menus": [
' {
' "name": "Menu A",
' "categories": [
' {
' "name": "Kebabs",
' "description": "blah blah blah"
' },
' {
' "name": "Burgers",
' "description": "blah blah blah"
' },
' {
' "name": "Pasta",
' "description": "blah blah blah"
' },
' {
' "name": "Appetizers",
' "description": "blah blah blah"
' }
' ]
' },
' {
' "name": "Menu B",
' "categories": [
' {
' "name": "Kebabs",
' "description": "blah blah blah"
' },
' {
' "name": "Burgers",
' "description": "blah blah blah"
' },
' {
' "name": "Pasta",
' "description": "blah blah blah"
' },
' {
' "name": "Appetizers",
' "description": "blah blah blah"
' }
' ]
' }
' ]
' }
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.LoadFile("qa_data/json/menus.json")
If (success = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( json.LastErrorText) & "</pre>"
Response.End
End If
' Find Menu B.
' menu is a Chilkat.JsonObject
Set menu = json.FindRecord("menus","name","Menu B",1)
' assume menu is found..
' Get the categories array, and then find the index of the "Pasta" menu category.
' catArr is a Chilkat.JsonArray
Set catArr = menu.ArrayOf("categories")
' Assume it is found..
' Find the object where the name of the JSON member is "name", and the value is "Pasta"
index = catArr.FindObject("name","Pasta",1)
If (index < 0) Then
Response.Write "<pre>" & Server.HTMLEncode( "Pasta not found.") & "</pre>"
Else
' Delete the "Pasta" category record from Menu B
success = catArr.DeleteAt(index)
' Assume OK..
End If
' Examine the JSON to see if it worked as expected..
json.EmitCompact = 0
Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"
%>
</body>
</html>