Fill existing form

Docotic.Pdf Library Help > Samples > Forms and Annotations > Fill existing form

This sample shows how to fill forms in existing PDF documents.

When you open a PDF document with a form, you can access and modify document widgets (annotations and controls).

CopyC#

using System.Diagnostics;

namespace BitMiracle.Docotic.Pdf.Samples
{
    public static class FillForm
    {
        public static void Main()
        {
            // NOTE: 
            // When used in trial mode, the library imposes some restrictions.
            // Please visit http://bitmiracle.com/pdf-library/trial-restrictions.aspx
            // for more information.

            PdfDocument pdf = new PdfDocument("Sample data/form.pdf");

            PdfTextBox nameTextBox = (PdfTextBox)pdf.Widgets[0];
            nameTextBox.Text = "Some Name";

            PdfTextBox passwordTextBox = (PdfTextBox)pdf.Widgets[1];
            passwordTextBox.Text = "Password";

            PdfTextBox confimPasswordTextBox = (PdfTextBox)pdf.Widgets[2];
            confimPasswordTextBox.Text = "Password";

            PdfTextBox emailTextBox = (PdfTextBox)pdf.Widgets[3];
            emailTextBox.Text = "email@gmail.com";

            PdfCheckBox hideEmailCheckBox = (PdfCheckBox)pdf.Widgets[4];
            hideEmailCheckBox.Checked = true;

            PdfRadioButton secondRadioButton = (PdfRadioButton)pdf.Widgets[6];
            secondRadioButton.Checked = true;

            PdfButton registerButton = (PdfButton)pdf.Widgets[7];
            registerButton.ReadOnly = true;

            string pathToFile = "FillForm.pdf";
            pdf.Save(pathToFile);
            pdf.Dispose();

            Process.Start(pathToFile);
        }
    }
}

CopyVB.NET

Imports System.Diagnostics

Imports BitMiracle.Docotic.Pdf

Namespace BitMiracle.Docotic.Pdf.Samples
    Public NotInheritable Class FillForm
        Public Shared Sub Main()
            ' NOTE: 
            ' When used in trial mode, the library imposes some restrictions.
            ' Please visit http://bitmiracle.com/pdf-library/trial-restrictions.aspx
            ' for more information.


            Dim pdf As New PdfDocument("Sample data/form.pdf")

            Dim nameTextBox As PdfTextBox = DirectCast(pdf.Widgets(0), PdfTextBox)
            nameTextBox.Text = "Some Name"

            Dim passwordTextBox As PdfTextBox = DirectCast(pdf.Widgets(1), PdfTextBox)
            passwordTextBox.Text = "Password"

            Dim confimPasswordTextBox As PdfTextBox = DirectCast(pdf.Widgets(2), PdfTextBox)
            confimPasswordTextBox.Text = "Password"

            Dim emailTextBox As PdfTextBox = DirectCast(pdf.Widgets(3), PdfTextBox)
            emailTextBox.Text = "email@gmail.com"

            Dim hideEmailCheckBox As PdfCheckBox = DirectCast(pdf.Widgets(4), PdfCheckBox)
            hideEmailCheckBox.Checked = True

            Dim secondRadioButton As PdfRadioButton = DirectCast(pdf.Widgets(6), PdfRadioButton)
            secondRadioButton.Checked = True

            Dim registerButton As PdfButton = DirectCast(pdf.Widgets(7), PdfButton)
            registerButton.[ReadOnly] = True

            Dim pathToFile As String = "FillForm.pdf"
            pdf.Save(pathToFile)
            pdf.Dispose()

            Process.Start(pathToFile)
        End Sub
    End Class
End Namespace