What causes this error deserializing XML in C#?

Question

I am getting the following error while deserializing an XML in C# despite having listed this namespace on the XMLType and XMLRoot attributes in my class.

<ProductRegistrationInterface xmlns='http://www.4cs.com/CLMSchema'> was not expected.

The XML looks like this:

 <?xml version="1.0"?> <ns4CS:ProductRegistrationInterface xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns4CS="http://www.4cs.com/CLMSchema"> <ns4CS:MessageHeader> <TargetReference>Some Value</TargetReference> </ns4CS:MessageHeader> <ProductRegistrations> <ProductRegistration>...</ProductRegistration> <ProductRegistration>...</ProductRegistration> <ProductRegistration>...</ProductRegistration> </ProductRegistrations> </ns4CS:ProductRegistrationInterface>

The ProductRegistrationInterface class looks like:

[XmlType(AnonymousType = true, Namespace = "http://www.4cs.com/CLMSchema")] [XmlRoot(Namespace = "http://www.4cs.com/CLMSchema", IsNullable = false)] public class ProductRegistrationInterface { /// <summary> /// Collection of <see cref="ProductRegistration"/> class. /// </summary> [XmlArray(Namespace = "")] [XmlArrayItem(nameof(ProductRegistration), IsNullable = false)] public ProductRegistration[] ProductRegistrations { get; set; } }

And finally here is the code I am using:

XmlSerializer xs = new XmlSerializer(typeof(ProductRegistrationInfo)); StreamReader sr = new StreamReader(@"Test.xml"); ProductRegistrationInfo s = (ProductRegistrationInfo)xs.Deserialize(sr); sr.Close();

What am I missing?

The error uses a different quote (') than the posted code ("). Can you check both? — Henk Holterman
– Henk Holterman, Commented Feb 15, 2019 at 18:25
I think it was an issue with how the error message was showing in the post. I have corrected that now. — Yasir
– Yasir, Commented Feb 15, 2019 at 18:33

Richard II · Accepted Answer · 2019-02-15 20:38:02Z

2

Type mismatch: you are attempting to deserialize into an instance of type ProjectRegistrationInterface, but using a serializer created for the type ProductRegistrationInfo.

answered Feb 15, 2019 at 20:38

Richard II

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1 Comment

Yasir Over a year ago

That was it. I don't know how I didn't see that earlier. Thanks.

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