在C#中反序列化分类帐导出请求中的XML响应时，我收到了以下错误.
错误"XmlException:‘’，十六进制值0x04，是无效字符." 这是由于父元素中主元素前面的(&；#4)字符.
<LEDGER>
<NAME>Profit & Loss A/c</NAME>
<PARENT> Primary</PARENT>
<OPENINGBALANCE>1000.00</OPENINGBALANCE>
<CLOSINGBALANCE>2000.00</CLOSINGBALANCE>
</LEDGER>
谁知道，要么在回应中摆脱这个角色，要么在反序列化时忽略这个角色？
谢谢.
C#代码
[XmlRoot(ElementName = "LEDGER")]
public class Ledger
{
[XmlElement(ElementName = "NAME")]
public string Name { get; set; } = string.Empty;
[XmlElement(ElementName = "PARENT")]
public string Parent { get; set; } = string.Empty;
[XmlElement(ElementName = "OPENINGBALANCE")]
public string OpeningBalance { get; set; } = string.Empty;
[XmlElement(ElementName = "CLOSINGBALANCE")]
public string ClosingBalance { get; set; } = string.Empty;
}
[XmlRoot(ElementName = "LEDGERS")]
public class Ledgers
{
[XmlElement(ElementName = "LEDGER")]
public List<Ledger> Ledgers { get; set; } = new List<Ledger>();
}
var content = new StringContent("<ENVELOPE><HEADER><VERSION>1</VERSION><TALLYREQUEST>EXPORT</TALLYREQUEST><TYPE>DATA</TYPE><ID>CA_LEDGER</ID></HEADER><BODY><DESC><STATICVARIABLES><SVEXPORTFORMAT>$$SysName:XML</SVEXPORTFORMAT><SVCURRENTCOMPANY>Demo-Company</SVCURRENTCOMPANY></STATICVARIABLES><TDL><TDLMESSAGE><REPORT ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_LEDGER\"><FORM>CA_LEDGER</FORM></REPORT><FORM ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\" ISINTERNAL=\"NO\"NAME=\"CA_LEDGER\"><PART>CA_LEDGER</PART><XMLTAG>LEDGERS</XMLTAG></FORM><PART ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\" ISINTERNAL=\"NO\"NAME=\"CA_LEDGER\"><LINE>CA_LEDGER</LINE><REPEAT>CA_LEDGER:CA_LEDGERCOLLECTION</REPEAT><SCROLLED>Vertical</SCROLLED></PART><LINE ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\" ISINTERNAL=\"NO\"NAME=\"CA_LEDGER\"><FIELDS>CA_NAME,CA_PARENT,CA_OPENINGBALANCE,CA_CLOSINGBALANCE</FIELDS><XMLTAG>LEDGER</XMLTAG></LINE><FIELD ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_NAME\"><SET>$NAME</SET><XMLTAG>NAME</XMLTAG></FIELD><FIELD ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_PARENT\"><SET>$PARENT</SET><XMLTAG>PARENT</XMLTAG></FIELD><FIELD ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_OPENINGBALANCE\"><TYPE>Amount</TYPE><SET>$OPENINGBALANCE</SET><XMLTAG>OPENINGBALANCE</XMLTAG></FIELD><FIELD ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_CLOSINGBALANCE\"><TYPE>Amount</TYPE><SET>$CLOSINGBALANCE</SET><XMLTAG>CLOSINGBALANCE</XMLTAG></FIELD><COLLECTION ISMODIFY=\"NO\" ISFIXED=\"NO\" ISINITIALIZE=\"NO\" ISOPTION=\"NO\"ISINTERNAL=\"NO\" NAME=\"CA_LEDGERCOLLECTION\"><TYPE>Ledger</TYPE><NATIVEMETHOD>Name</NATIVEMETHOD><NATIVEMETHOD>Parent</NATIVEMETHOD><NATIVEMETHOD>OpeningBalance</NATIVEMETHOD><NATIVEMETHOD>ClosingBalance</NATIVEMETHOD></COLLECTION></TDLMESSAGE></TDL></DESC></BODY></ENVELOPE>", null, "application/xml");
var response = await new HttpClient().PostAsync(URL, content); // Url is http://localhost:1000
if (!response.IsSuccessStatusCode)
{
return Enumerable.Empty<Ledger>();
}
XmlSerializer serializer = new XmlSerializer(typeof(Ledgers));
var ledgers = (Ledgers?)serializer.Deserialize(await response.Content.ReadAsStreamAsync());