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Multiplying TextBoxField Values with JavaScript Actions and RadPdfProcessing
Updated over 6 months ago
Environment
| Version | Product | Author |
|---|---|---|
| Q4 2024 | RadPdfProcessing | Desislava Yordanova |
Description
The following example demonstrates how to create a PDF document with three TextBoxFields where the third field multiplies the values in the first two widgets.
Solution
Such functionality is achieved with the JavaScript Actions introduced in Q4 2024 for the RadPdfProcessing library:
csharp
RadFixedDocument document = new RadFixedDocument();
document.Pages.AddPage();
TextBoxField priceField = new TextBoxField("Price");
priceField.Value = "12";
priceField.IsReadOnly = true;
VariableContentWidget priceWidget = priceField.Widgets.AddWidget();
priceWidget.Rect = new Rect(new Size(150, 30));
TextBoxField amountField = new TextBoxField("Amount");
VariableContentWidget amountWidget = amountField.Widgets.AddWidget();
amountWidget.Rect = new Rect(new Point(0, 50), new Size(150, 30));
TextBoxField totalField = new TextBoxField("Total");
totalField.IsReadOnly = true;
totalField.Actions.Calculate = new Telerik.Windows.Documents.Fixed.Model.Actions.JavaScriptAction
("AFSimple_Calculate(\"PRD\", new Array (\"Amount\", \"Price\"));");
VariableContentWidget totalWidget = totalField.Widgets.AddWidget();
totalWidget.Rect = new Rect(new Point(0, 100), new Size(150, 30));
document.AcroForm.FormFields.Add(priceField);
document.AcroForm.FormFields.Add(amountField);
document.AcroForm.FormFields.Add(totalField);
document.Pages[0].Annotations.Add(priceWidget);
document.Pages[0].Annotations.Add(amountWidget);
document.Pages[0].Annotations.Add(totalWidget);
The achieved result is illustrated below:
