public void ExportAsXML()
        {
            FileStream fs = null;
            StreamReader sr = null;
            FileStream ffs = null;
            string path = "test.xml";
            string pathtxt = "test.txt";


            try
            {
                ffs = new FileStream(pathtxt, FileMode.OpenOrCreate);
                fs = new FileStream(path, FileMode.Create);
                sr = new StreamReader(ffs);

                while (!sr.EndOfStream)
                {

                    string zeile = sr.ReadLine();
                    string[] zeileSplit = zeile.Split(' ');

                    if (zeileSplit.Length > 6)
                    {
                        string enumm = zeileSplit[4];
                        if (enumm == "NEW")
                        {
                            PartnerLead od = new PartnerLead(Convert.ToInt32(zeileSplit[0]), Convert.ToString(zeileSplit[1]), Convert.ToString(zeileSplit[2]), Convert.ToString(zeileSplit[3]), StateEnum.NEW, Convert.ToString(zeileSplit[5]), Convert.ToString(zeileSplit[6]));
                            XmlSerializer serializer = new XmlSerializer(typeof(PartnerLead));
                            serializer.Serialize(fs, od);
                        }
                        else if (enumm == "ASSIGNED")
                        {
                            PartnerLead od = new PartnerLead(Convert.ToInt32(zeileSplit[0]), Convert.ToString(zeileSplit[1]), Convert.ToString(zeileSplit[2]), Convert.ToString(zeileSplit[3]), StateEnum.ASSIGNED, Convert.ToString(zeileSplit[5]), Convert.ToString(zeileSplit[6]));
                            XmlSerializer serializer = new XmlSerializer(typeof(PartnerLead));
                            serializer.Serialize(fs, od);
                        }
                        else if (enumm == "WON")
                        {
                            PartnerLead od = new PartnerLead(Convert.ToInt32(zeileSplit[0]), Convert.ToString(zeileSplit[1]), Convert.ToString(zeileSplit[2]), Convert.ToString(zeileSplit[3]), StateEnum.WON, Convert.ToString(zeileSplit[5]), Convert.ToString(zeileSplit[6]));
                            XmlSerializer serializer = new XmlSerializer(typeof(PartnerLead));
                            serializer.Serialize(fs, od);
                        }
                        else if (enumm == "LOST")
                        {
                            PartnerLead od = new PartnerLead(Convert.ToInt32(zeileSplit[0]), Convert.ToString(zeileSplit[1]), Convert.ToString(zeileSplit[2]), Convert.ToString(zeileSplit[3]), StateEnum.LOST, Convert.ToString(zeileSplit[5]), Convert.ToString(zeileSplit[6]));
                            XmlSerializer serializer = new XmlSerializer(typeof(PartnerLead));
                            serializer.Serialize(fs, od);
                        }
                        else
                        {
                            PartnerLead od = new PartnerLead(Convert.ToInt32(zeileSplit[0]), Convert.ToString(zeileSplit[1]), Convert.ToString(zeileSplit[2]), Convert.ToString(zeileSplit[3]), StateEnum.CANCELLED, Convert.ToString(zeileSplit[5]), Convert.ToString(zeileSplit[6]));
                            XmlSerializer serializer = new XmlSerializer(typeof(PartnerLead));
                            serializer.Serialize(fs, od);
                        }
                    }

                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("fehler:" + ex);
            }
            finally
            {
                fs.Close();

            }
        }