Parse json results in vbnet - json

Question

how I can parse following code retrieved in a textbox:
{
"items": [
{
"snippet": {
"channelId": "UCcTbyoZjhqoCn4yVawpMFDA",
"title": "Forever - Stratovarius",
"categoryId": "10"
},
"statistics": {
"viewCount": "6180411",
"likeCount": "19060",
"dislikeCount": "342",
"favoriteCount": "0",
"commentCount": "3025"
}
}
]
}
My code for get value title and likeCount:
Dim url As String = "https://www.googleapis.com/youtube/v3/videos?id=8BvV9arABLs&key=KEYAPI&fields=items(id,snippet(channelId,title,categoryId),statistics)&part=snippet,statistics"
Dim json As String = New WebClient().DownloadString(url)
Dim root As JToken = JToken.Parse(json)
Dim sb As New StringBuilder()
For Each item As JToken In root("items")
textbox1.text=sb.AppendLine(item.SelectToken("title") & sb.AppendLine(item.SelectToken("likeCount"))
Next

Answer 1

First, it's better to format marked up data like JSON before you post it.
Like this:
{
"items" : [{
"snippet" : {
"channelId" : "UCcTbyoZjhqoCn4yVawpMFDA",
"title" : "Forever - Stratovarius",
"categoryId" : "10"
},
"statistics" : {
"viewCount" : "6180411",
"likeCount" : "19060",
"dislikeCount" : "342",
"favoriteCount" : "0",
"commentCount" : "3025"
}
}
]
}
As #rufanov said there are a lof of packages for JSON serialization.
As for me, I use Newtonsoft JSON. I use it in C# and will write examples in it, but I strongly believe it should be the same or similar on VB.NET.
Create classes for JSON objects. Pay attention: the members should be names as in JSON object.
public class JItemArray
{
public JItem[] items;
}
public class JItem
{
public JSnippet snippet;
public JStatistics statistics;
}
public class JSnippet
{
public string channelId;
public string title;
public string categoryId;
}
public class JStatistics
{
public string viewCount;
public string likeCount;
public string dislikeCount;
public string favoriteCount;
public string commentCount;
}
Then, you will be able to do
JItemArray itemArray = JsonConvert.DeserializeObject<JItemArray>(yourJsonString);
It will throw JsonReaderException (with explanation in Message) if something fails.
Else, it will return a proper JItem .NET object with all necessary parsed data.
Here it is on NuGet website.
https://www.nuget.org/packages/Newtonsoft.Json/
But if you only need these two values it's pretty good practice to use JToken.

Answer 2

There is many NuGet packages for working with JSON. Use one of them.