(C#) 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

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

bool success;
Chilkat.Http http = new Chilkat.Http();

// Get the JSON we'll be parsing..
string jsonStr = http.QuickGetStr("https://www.chilkatsoft.com/exampleData/qb_customer_balance_detail_report_2.json");
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.JsonObject json = new Chilkat.JsonObject();
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.
Chilkat.Csv csv = new Chilkat.Csv();
csv.HasColumnNames = true;

// Set the column names of the CSV.
int numColumns = json.SizeOfArray("Columns.Column");
if (numColumns < 0) {
    Debug.WriteLine("Unable to get column names");
    return;
}

int i = 0;
while (i < numColumns) {
    json.I = i;
    csv.SetColumnName(i,json.StringOf("Columns.Column[i].ColTitle"));
    i = i + 1;
}

// Let's get the rows.
// We'll ignore the Header and Summary, and just get the data.
int row = 0;
int numRows = json.SizeOfArray("Rows.Row[0].Rows.Row");
if (numRows < 0) {
    Debug.WriteLine("Unable to get data rows");
    return;
}

while (row < numRows) {
    json.I = row;
    numColumns = json.SizeOfArray("Rows.Row[0].Rows.Row[i].ColData");
    int col = 0;
    while (col < numColumns) {
        json.J = col;
        csv.SetCell(row,col,json.StringOf("Rows.Row[0].Rows.Row[i].ColData[j].value"));
        col = col + 1;
    }

    row = row + 1;
}

// Show the CSV 
Debug.WriteLine(csv.SaveToString());

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