试图将XML字符串解析为c#对象，但没有成功

我正在尝试将一些XML字符串反序列化为一个对象。但总是会出现下一个错误：

XML文档（1，2）中存在错误。不是 预料之中

我还试图删除

xmlns:vehicle=\”http://www.travelport.com/schema/vehicle_v48_0\“

从xml 但后来我发现，‘vehicle’是一个未声明的前缀。第1行，位置2

目标是：

namespace VehicleMedia
{
    [XmlRoot(ElementName = "SupplierRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class SupplierRate
    {
        [XmlAttribute(AttributeName = "RateForPeriod")]
        public string RateForPeriod { get; set; }
        [XmlAttribute(AttributeName = "ExtraMileageCharge")]
        public string ExtraMileageCharge { get; set; }
    }

    [XmlRoot(ElementName = "VehicleRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleRate
    {
        [XmlElement(ElementName = "SupplierRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public SupplierRate SupplierRate { get; set; }
        [XmlAttribute(AttributeName = "RatePeriod")]
        public string RatePeriod { get; set; }
    }

    [XmlRoot(ElementName = "Vehicle", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class Vehicle
    {
        [XmlElement(ElementName = "VehicleRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public VehicleRate VehicleRate { get; set; }
        [XmlAttribute(AttributeName = "VendorCode")]
        public string VendorCode { get; set; }
        [XmlAttribute(AttributeName = "AirConditioning")]
        public string AirConditioning { get; set; }
        [XmlAttribute(AttributeName = "TransmissionType")]
        public string TransmissionType { get; set; }
        [XmlAttribute(AttributeName = "VehicleClass")]
        public string VehicleClass { get; set; }
        [XmlAttribute(AttributeName = "Category")]
        public string Category { get; set; }
        [XmlAttribute(AttributeName = "DoorCount")]
        public string DoorCount { get; set; }
        [XmlAttribute(AttributeName = "AcrissVehicleCode")]
        public string AcrissVehicleCode { get; set; }
    }

    [XmlRoot(ElementName = "MediaItem", Namespace = "http://www.travelport.com/schema/common_v48_0")]
    public class MediaItem
    {
        [XmlAttribute(AttributeName = "url")]
        public string Url { get; set; }
        [XmlAttribute(AttributeName = "sizeCode")]
        public string SizeCode { get; set; }
    }

    [XmlRoot(ElementName = "VehicleWithMediaItems", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleWithMediaItems
    {
        [XmlElement(ElementName = "Vehicle", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public Vehicle Vehicle { get; set; }
        [XmlElement(ElementName = "MediaItem", Namespace = "http://www.travelport.com/schema/common_v48_0")]
        public MediaItem MediaItem { get; set; }
    }

    [XmlRoot(ElementName = "VehicleMediaLinksRsp", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleMediaLinksRsp
    {
        [XmlElement(ElementName = "VehicleWithMediaItems", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public List<VehicleWithMediaItems> VehicleWithMediaItems { get; set; }
        [XmlAttribute(AttributeName = "TransactionId")]
        public string TransactionId { get; set; }
        [XmlAttribute(AttributeName = "ResponseTime")]
        public string ResponseTime { get; set; }
        [XmlAttribute(AttributeName = "vehicle", Namespace = "http://www.w3.org/2000/xmlns/")]
        public string Vehicle { get; set; }
        [XmlAttribute(AttributeName = "common_v48_0", Namespace = "http://www.w3.org/2000/xmlns/")]
        public string Common_v48_0 { get; set; }
    }

}

命名空间车辆媒体
{
[XmlRoot（ElementName=“SupplierRate”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共级供应商
{
[XmlAttribute（AttributeName=“RateForPeriod”）]
公共字符串RateForPeriod{get；set；}
[XmlAttribute（AttributeName=“ExtraMileageCharge”）]
公共字符串ExtraMileageCharge{get；set；}
}
[XmlRoot（ElementName=“VehicleRate”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公车
{
[XmlElement（ElementName=“SupplierRate”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共提供程序提供程序{get；set；}
[XmlAttribute（AttributeName=“RatePeriod”）]
公共字符串RatePeriod{get；set；}
}
[XmlRoot（ElementName=“Vehicle”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公车
{
[XmlElement（ElementName=“VehicleRate”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共车辆通行证{get；set；}
[xmldattribute（AttributeName=“VendorCode”）]
公共字符串VendorCode{get；set；}
[XmlAttribute（AttributeName=“空调”）]
公共字符串空调{get；set；}
[XmlAttribute（AttributeName=“TransmissionType”）]
公共字符串传输类型{get；set；}
[XmlAttribute（AttributeName=“VehicleClass”）]
公共字符串VehicleClass{get；set；}
[XmlAttribute（AttributeName=“Category”）]
公共字符串类别{get；set；}
[XmlAttribute（AttributeName=“DoorCount”）]
公共字符串门计数{get；set；}
[xmldattribute（AttributeName=“acrissvicecode”）]
公共字符串AcrissVehicleCode{get；set；}
}
[XmlRoot（ElementName=“MediaItem”，命名空间=”http://www.travelport.com/schema/common_v48_0")]
公共类MediaItem
{
[XmlAttribute（AttributeName=“url”）]
公共字符串Url{get；set；}
[xmldattribute（AttributeName=“sizeCode”）]
公共字符串大小码{get；set；}
}
[XmlRoot（ElementName=“VehicleWithMediaItems”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
带媒体项目的公共类车辆
{
[XmlElement（ElementName=“Vehicle”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共车辆{get；set；}
[XmlElement（ElementName=“MediaItem”，命名空间=”http://www.travelport.com/schema/common_v48_0")]
公共MediaItem MediaItem{get；set；}
}
[XmlRoot（ElementName=“VehicleMediaLinksRsp”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共级车辆MedialinkSRSP
{
[XmlElement（ElementName=“VehicleWithMediaItems”，命名空间=”http://www.travelport.com/schema/vehicle_v48_0")]
公共列表车辆WithMediaItems{get；set；}
[XmlAttribute（AttributeName=“TransactionId”）]
公共字符串TransactionId{get；set；}
[XmlAttribute（AttributeName=“ResponseTime”）]
公共字符串响应时间{get；set；}
[XmlAttribute（AttributeName=“vehicle”，命名空间=”http://www.w3.org/2000/xmlns/")]
公共字符串Vehicle{get；set；}
[XmlAttribute（AttributeName=“common\u v48\u 0”，命名空间=”http://www.w3.org/2000/xmlns/")]
公共字符串公共_v48_0{get；set；}
}
}

例如，xml字符串是：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
using System.IO;

namespace ConsoleApplication166
{
    class Program
    {
        const string FILENAME = @"c:\temp\test.xml";
        static void Main(string[] args)
        {
            string file = File.ReadAllText(FILENAME);
            StringReader sReader = new StringReader(file);
            XmlReader reader = XmlReader.Create(sReader);
            XmlSerializer serializer = new XmlSerializer(typeof(VehicleMediaLinksRsp));
            VehicleMediaLinksRsp vehicleMediaLinksRsp = (VehicleMediaLinksRsp)serializer.Deserialize(reader);
        }
    }
    [XmlRoot(ElementName = "SupplierRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class SupplierRate
    {
        [XmlAttribute(AttributeName = "RateForPeriod")]
        public string RateForPeriod { get; set; }
        [XmlAttribute(AttributeName = "ExtraMileageCharge")]
        public string ExtraMileageCharge { get; set; }
    }

    [XmlRoot(ElementName = "VehicleRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleRate
    {
        [XmlElement(ElementName = "SupplierRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public SupplierRate SupplierRate { get; set; }
        [XmlAttribute(AttributeName = "RatePeriod")]
        public string RatePeriod { get; set; }
    }

    [XmlRoot(ElementName = "Vehicle", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class Vehicle
    {
        [XmlElement(ElementName = "VehicleRate", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public VehicleRate VehicleRate { get; set; }
        [XmlAttribute(AttributeName = "VendorCode")]
        public string VendorCode { get; set; }
        [XmlAttribute(AttributeName = "AirConditioning")]
        public string AirConditioning { get; set; }
        [XmlAttribute(AttributeName = "TransmissionType")]
        public string TransmissionType { get; set; }
        [XmlAttribute(AttributeName = "VehicleClass")]
        public string VehicleClass { get; set; }
        [XmlAttribute(AttributeName = "Category")]
        public string Category { get; set; }
        [XmlAttribute(AttributeName = "DoorCount")]
        public string DoorCount { get; set; }
        [XmlAttribute(AttributeName = "AcrissVehicleCode")]
        public string AcrissVehicleCode { get; set; }
    }

    [XmlRoot(ElementName = "MediaItem", Namespace = "http://www.travelport.com/schema/common_v48_0")]
    public class MediaItem
    {
        [XmlAttribute(AttributeName = "url")]
        public string Url { get; set; }
        [XmlAttribute(AttributeName = "sizeCode")]
        public string SizeCode { get; set; }
    }

    [XmlRoot(ElementName = "VehicleWithMediaItems", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleWithMediaItems
    {
        [XmlElement(ElementName = "Vehicle", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public Vehicle Vehicle { get; set; }
        [XmlElement(ElementName = "MediaItem", Namespace = "http://www.travelport.com/schema/common_v48_0")]
        public MediaItem MediaItem { get; set; }
    }

    [XmlRoot(ElementName = "VehicleMediaLinksRsp", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
    public class VehicleMediaLinksRsp
    {
        [XmlElement(ElementName = "VehicleWithMediaItems", Namespace = "http://www.travelport.com/schema/vehicle_v48_0")]
        public List<VehicleWithMediaItems> VehicleWithMediaItems { get; set; }
        [XmlAttribute(AttributeName = "TransactionId")]
        public string TransactionId { get; set; }
        [XmlAttribute(AttributeName = "ResponseTime")]
        public string ResponseTime { get; set; }
        [XmlAttribute(AttributeName = "vehicle", Namespace = "http://www.w3.org/2000/xmlns/")]
        public string Vehicle { get; set; }
        [XmlAttribute(AttributeName = "common_v48_0", Namespace = "http://www.w3.org/2000/xmlns/")]
        public string Common_v48_0 { get; set; }
    }

 
}