Export data from the fillable fields of a signed document with C# SDK using the API

Retrieve data added to fillable fields using the SignNow API. The filled-in information can be automatically transferred to a .csv file that you can download to your computer or cloud storage.

C#

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public class SignNowField
    {
        public string id { get; set; }
        public string user_id { get; set; }
        public string page_number { get; set; }
        public string x { get; set; }
        public string y { get; set; }
        public string created { get; set; }
        public string width { get; set; }
        public string height { get; set; }
    }
 
    /// <summary>
    /// Signature, Initials fields
    /// </summary>
    public class SignatureField : SignNowField
    {
        public string email { get; set; }
        public string data { get; set; }
    }
 
    /// <summary>
    /// Text box,  dropdown box, data-time picker
    /// </summary>
    public class TextField : SignNowField
    {
        public string email { get; set; }
        public string font { get; set; }
        public string size { get; set; }
        public string data { get; set; }
        public string line_height { get; set; }
    }
    /// <summary>
    /// Check-box
    /// </summary>
    public class CheckBox : SignNowField
    {
        public string email { get; set; }
    }
 
    /// <summary>
    /// Radio-button group with Radio elements included
    /// </summary>
    public class RadioFieldsGroup : SignNowField
    {
        public string name { get; set; }
        public string status { get; set; }
        public string server_created_timestamp { get; set; }
        public string size { get; set; }
        public string line_height { get; set; }
        public string font { get; set; }
        public string is_printed { get; set; }
        public RadioField[] radio { get; set; }
    }
 
    public class RadioField : SignNowField
    {
        public string radio_id { get; set; }
        public string @checked { get; set; }
        public string value { get; set; }
    }
 
    /// <summary>
    /// Document's attachment.
    /// Can be downloaded by URL: /document/{documentId}/attachment/{attachmentId}/download
    /// </summary>
    public class AttachmentField : SignNowField
    {
        public string line_height { get; set; }
        public string original_attachment_name { get; set; }
        public string filename { get; set; }
        public string file_type { get; set; }
        public string mime_type { get; set; }
        public string file_size { get; set; }
    }
 
    public class DocumentFieldsModel
    {
        /// <summary>
        ///  List of document's fields
        /// </summary>
        public DocumentField[] fields { get; set; }
        public SignatureField[] signatures { get; set; }
        public TextField[] texts { get; set; }
        public CheckBox[] checks { get; set; }
        public RadioFieldsGroup[] radiobuttons { get; set; }
        public AttachmentField[] attachments { get; set; }
    }
 
    public class DocumentField : SignNowField
    {
        public string type { get; set; }
        public string role_id { get; set; }
        public Json_Attributes json_attributes { get; set; }
        public string role { get; set; }
        public string originator { get; set; }
        public string fulfiller { get; set; }
        public string field_request_id { get; set; }
        public string element_id { get; set; }
        public object field_request_canceled { get; set; }
        public object template_field_id { get; set; }
        public string field_id { get; set; }
    }
 
    /// <summary>
    /// Field's attributes
    /// </summary>
    public class Json_Attributes
    {
        public int page_number { get; set; }
        public int x { get; set; }
        public int y { get; set; }
        public int width { get; set; }
        public int height { get; set; }
        public bool required { get; set; }
    }
public partial class RestSharpSamples
    {
        /// <summary>
        /// Get list of fields and their values, if document was signed, from the document
        /// </summary>
        public static Dictionary<SignNowField, string> GetFieldValuesFromDocument(string accessToken, string apiUrl, string documentId)
        {
            var fieldsValues = new Dictionary<SignNowField, string>();
 
            var client = new RestClient { BaseUrl = new Uri(apiUrl) };
 
            var request = new RestRequest($"/document/{documentId}", Method.GET)
                .AddHeader("Accept", "application/json")
                .AddHeader("Authorization", $"Bearer {accessToken}");
 
            var response = client.Execute(request);
 
            if (response.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception(response.Content);
            }
 
            //document fields
            var documentFilledFields = JsonConvert.DeserializeObject<DocumentFieldsModel>(response.Content);
 
            foreach (var field in documentFilledFields.fields)
            {
                switch (field.@type)
                {
                    case "text":
                        {
                            var filledField = documentFilledFields.texts.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.data);
                            break;
                        }
                    case "signature":
                        {
                            var filledField = documentFilledFields.signatures.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.data);
                            break;
                        }
                    case "checkbox":
                        {
                            var filledField = documentFilledFields.checks.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? "false" : "true");
                            break;
                        }
                    case "initials":
                        {
                            var filledField = documentFilledFields.signatures.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.data);
                            break;
                        }
                    case "enumeration":
                        {
                            var filledField = documentFilledFields.texts.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.data);
                            break;
                        }
                    case "attachment":
                        {
                            var filledField = documentFilledFields.attachments.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.id);
                            break;
                        }
                    case "radiobutton":
                        {
                            var filledField = documentFilledFields.radiobuttons.FirstOrDefault(f => f.id == field.element_id);
                            fieldsValues.Add(field, filledField == null ? null : filledField.status);
                            break;
                        }
                }
            }
 
            return fieldsValues;
        }
    }

View full API reference

Automatically export data from signed documents

Use this sample code to transfer data from the fillable fields of completed documents.

We provide developers with complete SDKs for all popular languages, allowing them to integrate e-signature workflows without writing a single line of code.
With our detailed documentation, integrating the SignNow API is a breeze.
The SignNow API not only provides you with e-signatures: use it to create fillable forms, request payments, and download & archive documents using simple API calls.

View full API reference

API Documentation

Learn how to get started with the SignNow REST API, check out common API use cases, SignNow SDKs and code samples.

See documentation

API Pricing

Once you’ve tested the SignNow API in sandbox, choose the API subscription plan that best suits your business needs.

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