How to print tick on pdf checkbox

Question

Required tick on pdf checkbox while printing pdf form from asp.net using itextsharp.

 

Sample code :-

 

PdfReader pdfReader = new PdfReader(pdfTemplate);

PdfStamper pdfStamper = new PdfStamper(pdfReader, stream);

AcroFields pdfFormFields = pdfStamper.AcroFields;

 

if (chk1stinvestormf.Checked)

{

pdfFormFields.SetField("chkconfirmnewinvestor","Yes","true");

//pdfFormFields.GenerateAppearances = true;

}