ReadFromInfoPathForm PRogramatically

        /// <summary>

        /// Get Coma delimitated value set form InfoPath form item

        /// </summary>

        /// <param name="url">Site URL for the InfoPath form library</param>

        /// <param name="InfoPathFormLibraryName">InfoPath form library Name</param>

        /// <param name="itemID">InfoPath form library item</param>

        /// <returns>Coma delimitated value set</returns>

private static string ReadFromInfoPathForm(string url, string InfoPathFormLibraryName, int itemID)

        {

            string output = string.Empty;

            //Open site which contains InfoPath form library

            using (SPSite site = new SPSite(url))

            {

                using (SPWeb web = site.OpenWeb())

                {

                    //Open InfoPath form library

                    SPList list = web.Lists[InfoPathFormLibraryName];

                    //Get Correspondent list item

                    SPListItem item = list.GetItemById(itemID);

                    //Read InfoPath from

                    SPFile infoPathFrom = item.File;

                    //Get xml Transformation

XmlTextReader infoPathform = new     XmlTextReader(infoPathFrom.OpenBinaryStream());

                    infoPathform.WhitespaceHandling = WhitespaceHandling.None;

                    string nodeKey = string.Empty;

                    //Read each node in InfoPath

                    while (infoPathform.Read())

                    {

                        if (!string.IsNullOrEmpty(infoPathform.Value))

                        {

                            switch (nodeKey)

                            {

                                #region Assigning values

                                case "my:txtFistName":

                                case "my:txtLastName":

                                case "my:txtEmailAddress":

output = string.Concat(output, nodeKey.Length > 3 ? nodeKey.Substring(3) : nodeKey, "=", infoPathform.Value, ",\n");

                                    break;

                                #endregion

                            }

                        }

                        nodeKey = infoPathform.Name;

                    }

                }

            }

            return output;

        }