using System;

using System.Collections.Generic;

using System.Xml;

using System.Xml.Serialization;

using System.IO;

public class Program

{

    public static void Main()

    {

        var xml = @"<diffgr:diffgram xmlns:msdata=""urn:schemas-microsoft-com:xml-msdata""

  xmlns:diffgr=""urn:schemas-microsoft-com:xml-diffgram-v1"">

  <NewDataSet xmlns="""">

    <Temp1 diffgr:id=""Temp11"" msdata:rowOrder=""0"">

      <ID>1557</ID>

      <ETS_GUID>0c13d406-873b-403b-9c09-a5766840d98c</ETS_GUID>

      <Durum>0</Durum>

      <Tip>3</Tip>

      <Ad_Soyad>TALENTO DEPOSIT</Ad_Soyad>

      <Unvan>TALENTO DEPOSIT</Unvan>

      <TC_VN>11111111111</TC_VN>

      <Yetkili_Kisi_TC>11111111111</Yetkili_Kisi_TC>

      <GSM_No>5555555555</GSM_No>

      <IBAN_No>TR270006235634441829432334</IBAN_No>

      <Adres />

      <Il>76</Il>

      <Ilce>139</Ilce>

      <EPosta />

      <Website />

      <MCC_Kod />

      <GUID>d9ca063e-45f2-49a2-a71c-456a6ebe5461</GUID>

      <Tarih>2023-03-08T13:52:18.873+03:00</Tarih>

      <Vergi_Daire>KADIKÖY V.D.</Vergi_Daire>

    </Temp1>

    <Temp1 diffgr:id=""Temp12"" msdata:rowOrder=""1"">

      <ID>1556</ID>

      <ETS_GUID>0c13d406-873b-403b-9c09-a5766840d98c</ETS_GUID>

      <Durum>2</Durum>

      <Tip>2</Tip>

      <Ad_Soyad>Muhittin Store</Ad_Soyad>

      <Unvan>Ünvan</Unvan>

      <TC_VN>12123123123</TC_VN>

      <Yetkili_Kisi_TC />

      <GSM_No>5339103939</GSM_No>

      <IBAN_No>TR1213123123123123123123123</IBAN_No>

      <Adres> lapsekikiki</Adres>

      <Il>17</Il>

      <Ilce>1503</Ilce>

      <EPosta>kTshittin@mDItnada.com.530.deleted.530.deleted</EPosta>

      <Website />

      <MCC_Kod>123</MCC_Kod>

      <GUID>fa3fbcb1-aa0c-49a6-ab1d-61802a389604</GUID>

      <Tarih>2023-02-28T11:02:18.813+03:00</Tarih>

      <Vergi_Daire>Beşiktaş</Vergi_Daire>

    </Temp1>

  </NewDataSet>

</diffgr:diffgram>";

        var ser = new XmlSerializer(typeof(Diffgram));

        using var sr = new StringReader(xml);

        using var reader = XmlReader.Create(sr);

        var obj = ser.Deserialize(reader) as Diffgram;

​

        Console.WriteLine(obj.NewDataSet == null);

    }

    // [XmlRoot(ElementName = "Temp1")]

    public class Temp1

    {

        [XmlElement(ElementName = "ID")]

        public string ID { get; set; }

        [XmlElement(ElementName = "ETS_GUID")]

        public string ETS_GUID { get; set; }

        [XmlElement(ElementName = "Durum")]

        public string Durum { get; set; }

        [XmlElement(ElementName = "Tip")]

        public string Tip { get; set; }

        [XmlElement(ElementName = "Ad_Soyad")]

        public string Ad_Soyad { get; set; }

        [XmlElement(ElementName = "Unvan")]

        public string Unvan { get; set; }

        [XmlElement(ElementName = "TC_VN")]

        public string TC_VN { get; set; }

        [XmlElement(ElementName = "Yetkili_Kisi_TC")]

        public string Yetkili_Kisi_TC { get; set; }

        [XmlElement(ElementName = "GSM_No")]

        public string GSM_No { get; set; }

        [XmlElement(ElementName = "IBAN_No")]

        public string IBAN_No { get; set; }

        [XmlElement(ElementName = "Adres")]

        public string Adres { get; set; }

        [XmlElement(ElementName = "Il")]

        public string Il { get; set; }

        [XmlElement(ElementName = "Ilce")]

        public string Ilce { get; set; }

        [XmlElement(ElementName = "EPosta")]

        public string EPosta { get; set; }

        [XmlElement(ElementName = "Website")]

        public string Website { get; set; }

        [XmlElement(ElementName = "MCC_Kod")]

        public string MCC_Kod { get; set; }

        [XmlElement(ElementName = "GUID")]

        public string GUID { get; set; }

        [XmlElement(ElementName = "Tarih")]

        public string Tarih { get; set; }

        [XmlElement(ElementName = "Vergi_Daire")]

        public string Vergi_Daire { get; set; }

        [XmlAttribute(AttributeName = "id", Namespace = "urn:schemas-microsoft-com:xml-diffgram-v1")]

        public string Id { get; set; }

        [XmlAttribute(AttributeName = "rowOrder", Namespace = "urn:schemas-microsoft-com:xml-msdata")]

        public string RowOrder { get; set; }

    }

​

    // [XmlRoot(ElementName = "NewDataSet")]

    public class NewDataSet

    {

        [XmlElement(ElementName = "Temp1")]

        public List<Temp1> Temp1 { get; set; }

        [XmlAttribute(AttributeName = "xmlns")]

        public string Xmlns { get; set; }

    }

​

    [XmlRoot(ElementName = "diffgram", Namespace = "urn:schemas-microsoft-com:xml-diffgram-v1")]

    public class Diffgram

    {

        [XmlElement(ElementName = "NewDataSet", Namespace = "")]

        public NewDataSet NewDataSet { get; set; }

        [XmlAttribute(AttributeName = "msdata", Namespace = "http://www.w3.org/2000/xmlns/")]

        public string Msdata { get; set; }

        [XmlAttribute(AttributeName = "diffgr", Namespace = "http://www.w3.org/2000/xmlns/")]

        public string Diffgr { get; set; }

    }

}