cs0119 c# is a type which is not valid in the given context

Question

cs0119 c# is a type which is not valid in the given context

Rinaldo 396

Hi people,

i've got a question about serializing XML document (UBL)

code:
Invoice invoice(string file)
{
Invoice i = new Invoice();

            string path = file;

            XmlSerializer serializer = new XmlSerializer(typeof(Invoice));

            //StreamReader reader = new StreamReader(path);
            FileStream fs = new FileStream(file, FileMode.Open);
            i = (Invoice)serializer.Deserialize(fs); // error CS0119 on invoice
            // Error in XML document
            fs.Close();
            return i;
        }

XML line gives error

<cac:TaxScheme>

What is what I doing wrong, in some cases it works but not with all

Greeting Rinaldo

Jack J Jun 25,296 Reputation points

2021-11-23T08:04:34.747+00:00

@Rinaldo , could you provide the xml content and the code about Invoice class? It will be better for us to analyze your problem.
Rinaldo 396 Reputation points

2021-11-23T08:30:26.733+00:00

@Jack J Jun
If I post I get entty to large, how to avoid this error in the forum.
Jack J Jun 25,296 Reputation points

2021-11-23T08:32:55.113+00:00

@Rinaldo , If your project is too large, I recommend that you could upload your project in OneDrive or GitHub and then share the link here.
Note: Please remove your privacy information in your project.

Accepted answer

7 additional answers

Your answer

Jack J Jun 25,296 Reputation points

2021-11-23T08:04:34.747+00:00

@Rinaldo , could you provide the xml content and the code about Invoice class? It will be better for us to analyze your problem.
Rinaldo 396 Reputation points

2021-11-23T08:30:26.733+00:00

@Jack J Jun
If I post I get entty to large, how to avoid this error in the forum.
Jack J Jun 25,296 Reputation points

2021-11-23T08:32:55.113+00:00

@Rinaldo , If your project is too large, I recommend that you could upload your project in OneDrive or GitHub and then share the link here.
Note: Please remove your privacy information in your project.

Answer 1

Rinaldo 396

@Petrus 【KIM】 thanks for your support. The generated .CS file is different then original. I have to find out the fields thats generated in the class file.
I hope I can find that.
Rinaldo

Answer 2

I test your code but no problem.
Please show me your xml file.

Also, You can validate your xml with xsd.
https://learn.microsoft.com/en-us/dotnet/api/system.xml.xmldocument.validate?view=net-6.0

        static void Main(string[] args)  
        {  
            invoice("D:\\Projects\\ConsoleApp1\\MyXml.xml");  
        }  
  
        static MyXsd invoice(string file)  
        {  
            MyXsd i = new MyXsd();  
  
            string path = file;  
  
            XmlSerializer serializer = new XmlSerializer(typeof(MyXsd));  
  
            //StreamReader reader = new StreamReader(path);  
            FileStream fs = new FileStream(file, FileMode.Open);  
            i = (MyXsd)serializer.Deserialize(fs); // error CS0119 on invoice  
                                                     // Error in XML document  
            fs.Close();  
            return i;  
        }

XML File(MyXml.xml) : <MyXsd DATE="2021-12-31" />
Command: XSD.EXE MyXml.xml
Modify XSD: type="xs:dateTime"
Command: XSD.EXE MyXml.xsd /c

Answer 3

Perform this way....

XSD Invoice.xml
XSD Invoice_app2.xsd Invoice_app1.xsd Invoice.xsd /c

C:\>XSD Invoice.xml
Microsoft (R) Xml Schemas/DataTypes support utility
[Microsoft (R) .NET Framework, Version 4.8.3928.0]
Copyright (C) Microsoft Corporation. All rights reserved.
Writing file '...\Invoice.xsd'.

C:\>XSD Invoice_app2.xsd Invoice_app1.xsd Invoice.xsd /c
Microsoft (R) Xml Schemas/DataTypes support utility
[Microsoft (R) .NET Framework, Version 4.8.3928.0]
Copyright (C) Microsoft Corporation. All rights reserved.
Writing file '...\Invoice_app2_Invoice_app1_Invoice.cs'

Answer 4

Hi Jack, of course I can:
CLASS for UBL

List item using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization; namespace XMLublreader
{

// NOTE: Generated code may require at least .NET Framework 4.5 or .NET Core/Standard 2.0.
/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2")]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2", IsNullable = false)]
public partial class Invoice
{

    private decimal uBLVersionIDField;

    private string customizationIDField;

    private string profileIDField;

    private ID idField;

    private System.DateTime issueDateField;

    private string noteField;

    private System.DateTime taxPointDateField;

    private object accountingCostCodeField;

    private AccountingSupplierParty accountingSupplierPartyField;

    private AccountingCustomerParty accountingCustomerPartyField;

    private PaymentMeans paymentMeansField;

    private TaxTotal taxTotalField;



    private LegalMonetaryTotal legalMonetaryTotalField;

    private InvoiceLine[] invoiceLineField;





    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public decimal UBLVersionID 
    {
        get
        {
            return this.uBLVersionIDField;
        }
        set
        {
            this.uBLVersionIDField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string CustomizationID
    {
        get
        {
            return this.customizationIDField;
        }
        set
        {
            this.customizationIDField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string ProfileID
    {
        get
        {
            return this.profileIDField;
        }
        set
        {
            this.profileIDField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public ID ID
    {
        get
        {
            return this.idField;
        }
        set
        {
            this.idField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2", DataType = "date")]
    public System.DateTime IssueDate
    {
        get
        {
            return this.issueDateField;
        }
        set
        {
            this.issueDateField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string Note
    {
        get
        {
            return this.noteField;
        }
        set
        {
            this.noteField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2", DataType = "date")]
    public System.DateTime TaxPointDate
    {
        get
        {
            return this.taxPointDateField;
        }
        set
        {
            this.taxPointDateField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public object AccountingCostCode
    {
        get
        {
            return this.accountingCostCodeField;
        }
        set
        {
            this.accountingCostCodeField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public AccountingSupplierParty AccountingSupplierParty
    {
        get
        {
            return this.accountingSupplierPartyField;
        }
        set
        {
            this.accountingSupplierPartyField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public AccountingCustomerParty AccountingCustomerParty
    {
        get
        {
            return this.accountingCustomerPartyField;
        }
        set
        {
            this.accountingCustomerPartyField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public PaymentMeans PaymentMeans
    {
        get
        {
            return this.paymentMeansField;
        }
        set
        {
            this.paymentMeansField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public TaxTotal TaxTotal
    {
        get
        {
            return this.taxTotalField;
        }
        set
        {
            this.taxTotalField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public LegalMonetaryTotal LegalMonetaryTotal
    {
        get
        {
            return this.legalMonetaryTotalField;
        }
        set
        {
            this.legalMonetaryTotalField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute("InvoiceLine", Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
    public InvoiceLine[] InvoiceLine
    {
        get
        {
            return this.invoiceLineField;
        }
        set
        {
            this.invoiceLineField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2", IsNullable = false)]
public partial class ID  
{

    private byte schemeAgencyIDField;

    private bool schemeAgencyIDFieldSpecified;

    private string schemeIDField;

    private string valueField;

    /// <remarks/>
    [System.Xml.Serialization.XmlAttributeAttribute()]
    public byte schemeAgencyID
    {
        get
        {
            return this.schemeAgencyIDField;
        }
        set
        {
            this.schemeAgencyIDField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlIgnoreAttribute()]
    public bool schemeAgencyIDSpecified
    {
        get
        {
            return this.schemeAgencyIDFieldSpecified;
        }
        set
        {
            this.schemeAgencyIDFieldSpecified = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlAttributeAttribute()]
    public string schemeID
    {
        get
        {
            return this.schemeIDField;
        }
        set
        {
            this.schemeIDField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlTextAttribute()]
    public string Value
    {
        get
        {
            return this.valueField;
        }
        set
        {
            this.valueField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2", IsNullable = false)]
public partial class AccountingSupplierParty  
{

    private AccountingSupplierPartyParty partyField;

    /// <remarks/>
    public AccountingSupplierPartyParty Party
    {
        get
        {
            return this.partyField;
        }
        set
        {
            this.partyField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyParty  
{

    private AccountingSupplierPartyPartyPartyName partyNameField;

    private AccountingSupplierPartyPartyPostalAddress postalAddressField;

    private AccountingSupplierPartyPartyPartyTaxScheme partyTaxSchemeField;

    private AccountingSupplierPartyPartyPartyLegalEntity partyLegalEntityField;

    private AccountingSupplierPartyPartyContact contactField;

    /// <remarks/>
    public AccountingSupplierPartyPartyPartyName PartyName
    {
        get
        {
            return this.partyNameField;
        }
        set
        {
            this.partyNameField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyPostalAddress PostalAddress
    {
        get
        {
            return this.postalAddressField;
        }
        set
        {
            this.postalAddressField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyPartyTaxScheme PartyTaxScheme
    {
        get
        {
            return this.partyTaxSchemeField;
        }
        set
        {
            this.partyTaxSchemeField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyPartyLegalEntity PartyLegalEntity
    {
        get
        {
            return this.partyLegalEntityField;
        }
        set
        {
            this.partyLegalEntityField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyContact Contact
    {
        get
        {
            return this.contactField;
        }
        set
        {
            this.contactField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPartyName  
{

    private string nameField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string Name
    {
        get
        {
            return nameField;
        }
        set
        {
            this.nameField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPostalAddress  
{

    private string streetNameField;

    private string cityNameField;

    private string postalZoneField;

    private AccountingSupplierPartyPartyPostalAddressCountry countryField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string StreetName
    {
        get
        {
            return this.streetNameField;
        }
        set
        {
            this.streetNameField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string CityName
    {
        get
        {
            return this.cityNameField;
        }
        set
        {
            this.cityNameField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string PostalZone
    {
        get
        {
            return this.postalZoneField;
        }
        set
        {
            this.postalZoneField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyPostalAddressCountry Country
    {
        get
        {
            return this.countryField;
        }
        set
        {
            this.countryField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPostalAddressCountry  
{

    private string identificationCodeField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string IdentificationCode
    {
        get
        {
            return this.identificationCodeField;
        }
        set
        {
            this.identificationCodeField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPartyTaxScheme  
{

    private string companyIDField;

    private AccountingSupplierPartyPartyPartyTaxSchemeTaxScheme taxSchemeField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string CompanyID
    {
        get
        {
            return this.companyIDField;
        }
        set
        {
            this.companyIDField = value;
        }
    }

    /// <remarks/>
    public AccountingSupplierPartyPartyPartyTaxSchemeTaxScheme TaxScheme
    {
        get
        {
            return this.taxSchemeField;
        }
        set
        {
            this.taxSchemeField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPartyTaxSchemeTaxScheme  
{

    private ID idField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public   ID ID
    {
        get
        {
            return this.idField;
        }
        set
        {
            this.idField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyPartyLegalEntity  
{

    private string companyIDField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string CompanyID
    {
        get
        {
            return this.companyIDField;
        }
        set
        {
            this.companyIDField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingSupplierPartyPartyContact  
{

    private string nameField;

    private string telephoneField;

    private object telefaxField;

    private string electronicMailField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string Name
    {
        get
        {
            return this.nameField;
        }
        set
        {
            this.nameField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string Telephone
    {
        get
        {
            return this.telephoneField;
        }
        set
        {
            this.telephoneField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public object Telefax
    {
        get
        {
            return this.telefaxField;
        }
        set
        {
            this.telefaxField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string ElectronicMail
    {
        get
        {
            return this.electronicMailField;
        }
        set
        {
            this.electronicMailField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2", IsNullable = false)]
public partial class AccountingCustomerParty  
{

    private AccountingCustomerPartyParty partyField;

    /// <remarks/>
    public AccountingCustomerPartyParty Party
    {
        get
        {
            return this.partyField;
        }
        set
        {
            this.partyField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyParty  
{

    private AccountingCustomerPartyPartyPartyName partyNameField;

    private AccountingCustomerPartyPartyPostalAddress postalAddressField;

    private AccountingCustomerPartyPartyPartyTaxScheme partyTaxSchemeField;

    private AccountingCustomerPartyPartyContact contactField;

    /// <remarks/>
    public AccountingCustomerPartyPartyPartyName PartyName
    {
        get
        {
            return this.partyNameField;
        }
        set
        {
            this.partyNameField = value;
        }
    }

    /// <remarks/>
    public AccountingCustomerPartyPartyPostalAddress PostalAddress
    {
        get
        {
            return this.postalAddressField;
        }
        set
        {
            this.postalAddressField = value;
        }
    }

    /// <remarks/>
    public AccountingCustomerPartyPartyPartyTaxScheme PartyTaxScheme
    {
        get
        {
            return this.partyTaxSchemeField;
        }
        set
        {
            this.partyTaxSchemeField = value;
        }
    }

    /// <remarks/>
    public AccountingCustomerPartyPartyContact Contact
    {
        get
        {
            return this.contactField;
        }
        set
        {
            this.contactField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyPartyPartyName  
{

    private string nameField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string Name
    {
        get
        {
            return this.nameField;
        }
        set
        {
            this.nameField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyPartyPostalAddress  
{

    private string streetNameField;

    private string cityNameField;

    private string postalZoneField;

    private AccountingCustomerPartyPartyPostalAddressCountry countryField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string StreetName
    {
        get
        {
            return this.streetNameField;
        }
        set
        {
            this.streetNameField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string CityName
    {
        get
        {
            return this.cityNameField;
        }
        set
        {
            this.cityNameField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string PostalZone
    {
        get
        {
            return this.postalZoneField;
        }
        set
        {
            this.postalZoneField = value;
        }
    }

    /// <remarks/>
    public AccountingCustomerPartyPartyPostalAddressCountry Country
    {
        get
        {
            return this.countryField;
        }
        set
        {
            this.countryField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyPartyPostalAddressCountry  
{

    private string identificationCodeField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public string IdentificationCode
    {
        get
        {
            return this.identificationCodeField;
        }
        set
        {
            this.identificationCodeField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyPartyPartyTaxScheme  
{

    private AccountingCustomerPartyPartyPartyTaxSchemeTaxScheme taxSchemeField;

    /// <remarks/>
    public AccountingCustomerPartyPartyPartyTaxSchemeTaxScheme TaxScheme
    {
        get
        {
            return this.taxSchemeField;
        }
        set
        {
            this.taxSchemeField = value;
        }
    }
}

/// <remarks/>
[System.SerializableAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2")]
public partial class AccountingCustomerPartyPartyPartyTaxSchemeTaxScheme  
{

    private ID idField;

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(Namespace = "urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2")]
    public   ID ID
    {
        get
        {
            return this.idField;
        }
        set
        {
            this.idField = value;
        }
    }
}

/// <remarks/>

Answer 5

I think you must check the xsd class named "Invoice". Try to make XSD class with "xsd.exe".

// Serialize/Deserialize
public T DoXmlSerialization<T, T1>(T1 obj)
{
    XmlSerializer xmlSer1 = null;
    XmlSerializer xmlSer2 = null;

    StringBuilder sb = null;
    StringWriter sw = null;
    StringReader sr = null;

    T oRetVal = default(T);

    try
    {
        if (obj == null)
        {
            throw new ArgumentNullException("obj");
        }

        sb = new StringBuilder();
        using (sw = new StringWriter(sb))
        {
            xmlSer1 = new XmlSerializer(typeof(T1));
            xmlSer1.Serialize(sw, obj);

            sw.Close();
        }

        using (sr = new StringReader(sb.ToString()))
        {
            xmlSer2 = new XmlSerializer(typeof(T));
            oRetVal = (T)xmlSer2.Deserialize(sr);
            sr.Close();
        }
    }
    catch (Exception ex)
    {
        throw ex;
    }

    return oRetVal;
}

// XSD CLASS
[System.SerializableAttribute()]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
public partial class MyXsd
{
    private DateTime date;

    [System.Xml.Serialization.XmlAttributeAttribute(DataType = "date")]
    public DateTime DATE
    {
        get { return date; }
        set { date = value; }
 }
}

// To Use
MyXsd oxsd = new MyXsd();
oxsd.DATE = DateTime.Now;

XmlDocument oXdoc = DoXmlSerialization<XmlDocument, MyXsd>(oxsd);
XmlElement oElem = DoXmlSerialization<XmlElement, MyXsd>(oxsd);
MyXsd oMyXsd = DoXmlSerialization<MyXsd, XmlElement>(oElem);

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cs0119 c# is a type which is not valid in the given context

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