(C# UWP/WinRT) 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 Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

// 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 = await http.QuickGetStrAsync("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");