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Field(DocumentCore, FieldType, String, Inline) Constructor

Initializes a new instance of the Field class.

Namespace: SautinSoft.Document
Assembly: SautinSoft.Document (in SautinSoft.Document.dll) Version: 2024.7.18
public Field(
	DocumentCore document,
	FieldType fieldType,
	string instructionText,
	params Inline[] resultInlines


document  DocumentCore
The owner document.
fieldType  FieldType
The field type.
instructionText  String
The field instruction text.
resultInlines  Inline
The Inline sequence that represents field result.

See Developer Guide: Generate document (PDF) with forms and fields

Generate document (PDF) with forms and fields in C#
using System;
using System.Globalization;
using System.Text;
using SautinSoft.Document;
using SautinSoft.Document.MailMerging;
using SautinSoft.Document.Tables;

class Sample
    static void Main(string[] args)
            // Get your free 100-day key here:   


    /// <summary>
    /// Generate document (PDF) with forms and fields.
    /// </summary>
    /// <remarks>
    /// Details:
    /// </remarks>
    public static void FormsAndFields()
        DocumentCore dc = new DocumentCore();

        string placeHolder = new string('\x2002', 50);

        // Create form fields.
        Field fFullName = new Field(dc, FieldType.FormText, null, placeHolder);
        fFullName.FormData.Name = "FullName";
        fFullName.FormData.Enabled = true;

        Field fBirthData = new Field(dc, FieldType.FormText, null, placeHolder);
        fBirthData.FormData.Name = "BirthDate";

        Field fGender = new Field(dc, FieldType.FormDropDown);
        fGender.FormData.Name = "Gender";

        Field fMarried = new Field(dc, FieldType.FormCheckBox);
        fMarried.FormData.Name = "Married";
        fMarried.FormData.Enabled = true;

        Field fPhone = new Field(dc, FieldType.FormText, null, placeHolder);
        fPhone.FormData.Name = "Phone";

        dc.Sections.Add(new Section(dc,

            new Paragraph(dc,
            new Run(dc, "Full name: "),

            new Paragraph(dc,
            new Run(dc, "Birth date: "),

            new Paragraph(dc,
            new Run(dc, "Gender: "),

            new Paragraph(dc,
            new Run(dc, "Married: "),

            new Paragraph(dc,
            new Run(dc, "Phone: "),

        // Customize form fields.
        var formFieldsData = dc.Content.FormFieldsData;

        var fullNameFieldData = (FormTextData)formFieldsData["FullName"];
        fullNameFieldData.MaximumLength = 50;
        fullNameFieldData.StatusText = fullNameFieldData.HelpText = "Enter your name and surname (trimmed to 50 characters).";
        fullNameFieldData.Field.ResultInlines.Content.Replace("Mister Bean");

        var birthdateFieldData = (FormTextData)formFieldsData["BirthDate"];
        birthdateFieldData.TextType = FormTextType.Date;
        birthdateFieldData.DefaultValue = "1990-01-01";
        birthdateFieldData.ValueFormat = "yyyy-MM-dd";
        birthdateFieldData.StatusText = birthdateFieldData.HelpText =
            "Enter your date of birth.";

        var genderFieldData = (FormDropDownData)formFieldsData["Gender"];
        genderFieldData.Items.Add("Select sex");
        genderFieldData.Items.Add("I don't know");
        genderFieldData.StatusText = genderFieldData.HelpText =
            "Select your gender.";
        genderFieldData.SelectedItemIndex = 0;

        var marriedFieldData = (FormCheckBoxData)formFieldsData["Married"];
        marriedFieldData.StatusText = marriedFieldData.HelpText =
                    "Mark as checked if you are married.";
        marriedFieldData.DefaultValue = true;
        marriedFieldData.Value = true;

        var salaryFieldData = (FormTextData)formFieldsData["Phone"];
        salaryFieldData.TextType = FormTextType.Number;
        salaryFieldData.DefaultValue = "555 13-12";
        salaryFieldData.ValueFormat = "(###) ###-####";
        salaryFieldData.StatusText = salaryFieldData.HelpText =
            "Enter your phone number.";
        salaryFieldData.Field.ResultInlines.Content.Replace("+1 (800) 111 2233");

        dc.Save(@"fields-template.pdf", new PdfSaveOptions() {PreserveFormFields=true });

        // Open the result for demonstration purposes.
        System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(@"fields-template.pdf") { UseShellExecute = true });
Generate document (PDF) with forms and fields in VB.Net
Option Infer On

Imports System
Imports System.Globalization
Imports System.Text
Imports SautinSoft.Document
Imports SautinSoft.Document.MailMerging
Imports SautinSoft.Document.Tables

Module Sample
    Sub Main()
    End Sub
    ''' Get your free 100-day key here:   
    ''' <summary>
    ''' Generate document (PDF) with forms and fields.
    ''' </summary>
    ''' <remarks>
    ''' Details:
    ''' </remarks>
    Sub FormsAndFields()
        Dim dc As New DocumentCore()

        Dim placeHolder As New String(ChrW(&H2002), 50)

        ' Create form fields.
        Dim fFullName As New Field(dc, FieldType.FormText, Nothing, placeHolder)
        fFullName.FormData.Name = "FullName"
        fFullName.FormData.Enabled = True

        Dim fBirthData As New Field(dc, FieldType.FormText, Nothing, placeHolder)
        fBirthData.FormData.Name = "BirthDate"

        Dim fGender As New Field(dc, FieldType.FormDropDown)
        fGender.FormData.Name = "Gender"

        Dim fMarried As New Field(dc, FieldType.FormCheckBox)
        fMarried.FormData.Name = "Married"
        fMarried.FormData.Enabled = True

        Dim fPhone As New Field(dc, FieldType.FormText, Nothing, placeHolder)
        fPhone.FormData.Name = "Phone"

        dc.Sections.Add(New Section(dc, New Paragraph(dc, New Run(dc, "Full name: "), fFullName), New Paragraph(dc, New Run(dc, "Birth date: "), fBirthData), New Paragraph(dc, New Run(dc, "Gender: "), fGender), New Paragraph(dc, New Run(dc, "Married: "), fMarried), New Paragraph(dc, New Run(dc, "Phone: "), fPhone)))

        ' Customize form fields.
        Dim formFieldsData = dc.Content.FormFieldsData

        Dim fullNameFieldData = CType(formFieldsData("FullName"), FormTextData)
        fullNameFieldData.MaximumLength = 50
        fullNameFieldData.HelpText = "Enter your name and surname (trimmed to 50 characters)."
        fullNameFieldData.StatusText = fullNameFieldData.HelpText
        fullNameFieldData.Field.ResultInlines.Content.Replace("Mister Bean")

        Dim birthdateFieldData = CType(formFieldsData("BirthDate"), FormTextData)
        birthdateFieldData.TextType = FormTextType.Date
        birthdateFieldData.DefaultValue = "1990-01-01"
        birthdateFieldData.ValueFormat = "yyyy-MM-dd"
        birthdateFieldData.HelpText = "Enter your date of birth."
        birthdateFieldData.StatusText = birthdateFieldData.HelpText

        Dim genderFieldData = CType(formFieldsData("Gender"), FormDropDownData)
        genderFieldData.Items.Add("Select sex")
        genderFieldData.Items.Add("I don't know")
        genderFieldData.HelpText = "Select your gender."
        genderFieldData.StatusText = genderFieldData.HelpText
        genderFieldData.SelectedItemIndex = 0

        Dim marriedFieldData = CType(formFieldsData("Married"), FormCheckBoxData)
        marriedFieldData.HelpText = "Mark as checked if you are married."
        marriedFieldData.StatusText = marriedFieldData.HelpText
        marriedFieldData.DefaultValue = True
        marriedFieldData.Value = True

        Dim salaryFieldData = CType(formFieldsData("Phone"), FormTextData)
        salaryFieldData.TextType = FormTextType.Number
        salaryFieldData.DefaultValue = "555 13-12"
        salaryFieldData.ValueFormat = "(###) ###-####"
        salaryFieldData.HelpText = "Enter your phone number."
        salaryFieldData.StatusText = salaryFieldData.HelpText
        salaryFieldData.Field.ResultInlines.Content.Replace("+1 (800) 111 2233")

        dc.Save("fields-template.pdf", New PdfSaveOptions() With {.PreserveFormFields = True})

        ' Open the result for demonstration purposes.
        System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo("fields-template.pdf") With {.UseShellExecute = True})
    End Sub

End Module
See Also