(Visual Basic 6.0) QuickBooks - Parse the JSON of a Customer Balance Detail Report

This example is to show how to parse the JSON of a particular Quickbooks report. The techniques shown here may help in parsing similar reports.

The JSON to be parsed is available at Sample Quickbooks Customer Balance Detail Report JSON

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim success As Long
Dim http As New ChilkatHttp

' Get the JSON we'll be parsing..
Dim jsonStr As String
jsonStr = http.QuickGetStr("https://www.chilkatsoft.com/exampleData/qb_customer_balance_detail_report_2.json")
If (http.LastMethodSuccess <> 1) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim json As New ChilkatJsonObject
success = json.Load(jsonStr)

' As an alternative to manually writing code, use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

' Let's parse the JSON into a CSV, and then save to a CSV file.
Dim csv As New ChilkatCsv
csv.HasColumnNames = 1

' Set the column names of the CSV.
Dim numColumns As Long
numColumns = json.SizeOfArray("Columns.Column")
If (numColumns < 0) Then
    Debug.Print "Unable to get column names"
    Exit Sub
End If

Dim i As Long
i = 0
Do While i < numColumns
    json.I = i
    success = csv.SetColumnName(i,json.StringOf("Columns.Column[i].ColTitle"))
    i = i + 1
Loop

' Let's get the rows.
' We'll ignore the Header and Summary, and just get the data.
Dim row As Long
row = 0
Dim numRows As Long
numRows = json.SizeOfArray("Rows.Row[0].Rows.Row")
If (numRows < 0) Then
    Debug.Print "Unable to get data rows"
    Exit Sub
End If

Do While row < numRows
    json.I = row
    numColumns = json.SizeOfArray("Rows.Row[0].Rows.Row[i].ColData")
    Dim col As Long
    col = 0
    Do While col < numColumns
        json.J = col
        success = csv.SetCell(row,col,json.StringOf("Rows.Row[0].Rows.Row[i].ColData[j].value"))
        col = col + 1
    Loop
    row = row + 1
Loop

' Show the CSV 
Debug.Print csv.SaveToString()

' Save to a CSV file
success = csv.SaveFile("qa_output/customerDetailReport.csv")