How To Parse & Read JSON In VB.NET

JSON , Known As JavaScript Object Notation , Is An Important Format Which We Mostly Get As Output When Requesting Data By API. In This Post We Will See How To Read , Parse JSON Using Visual Basic .NET (VB.NET)

VB.NET Parse JSON

VB.NET Parse JSON Form Application

VB.NET Code To Parse JSON

Firstly , We Need To Import System.Net & Newtonsoft.Json.Linq . After That We Need The URL Of Target JSON. In This Post , I Will Use http://time.jsontest.com/ As The JSON URL Which Provide Current Date & Time.

JSON From http://time.jsontest.com/

Read JSON Using VB.NET

Imports System.Net
Imports Newtonsoft.Json.Linq

Public Class Form1
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12
        Dim json As String = New System.Net.WebClient().DownloadString("http://time.jsontest.com/")
        Dim parsejson As JObject = JObject.Parse(json)
        Dim thedate = parsejson.SelectToken("date").ToString()
        txt1.Text = "Date Is "+thedate
    End Sub
End Class

Output Of VB.NET Parsing JSON

VB.NET JSON Application

VB.NET Parse Sub Node Of JSON

VB.NET Code To Parse Child Node Of JSON

Imports System.Net
Imports Newtonsoft.Json.Linq

Public Class Form1
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12
        Dim json As String = New System.Net.WebClient().DownloadString("https://reqres.in/api/products/3")
        Dim parsejson As JObject = JObject.Parse(json)
        Dim thename = parsejson.SelectToken("data.name").ToString()
        txt1.Text = "Name Is " + thename
    End Sub
End Class

Output Of JSON Sub Node Parsing

In The Above Code , We Have Selected The Sub Node Using Dot (.) Selector