There is an error in XML document 1 41

Question

When i am doing Deserialize of xml i am getting  There is an error in XML document  1  41      Can anyone tell me about what is the issue is all about       public static T DeserializeFromXml lt T gt  string xml                        T result              XmlSerializer ser   new XmlSerializer typeof T                using  TextReader tr   new StringReader xml                                 result    T ser Deserialize tr                             return result              I use this function to do it    lt  xml version  1 0  encoding  utf-16   gt   lt Message gt   lt FirstName gt Hunt lt  FirstName gt   lt LastName gt DAvid lt  LastName gt   lt  Message gt

User · Answer

On a WEC7 project I m working on  I got a similar error  The file I was serializing in was serialized out from an array of objects  so I figured the XML was fine  Also  I have had this working for a few previous classes  so it was quite a puzzle   Then I noticed in my earlier work that every class that I was serializing deserializing had a default constructor  That was missing in my failed case so I added it and and voila    it worked fine   I seem to remember reading somewhere that this was required  I guess it is

User · Answer

Agreed with the answer from sll  but experienced another hurdle which was having specified a namespace in the attributes  when receiving the return xml that namespace wasn t included and thus failed finding the class   i had to find a workaround to specifying the namespace in the attribute and it worked   ie    Serializable         XmlRoot  Patient   Namespace    http   www xxxx org TargetNamespace        public class Patient   generated   lt Patient xmlns xsi  http   www w3 org 2001 XMLSchema-instance  xmlns xsd  http   www w3 org 2001 XMLSchema  xmlns  http   www xxxx org TargetNamespace  gt    but I had to change it to    Serializable     XmlRoot  Patient    public class Patient   which generated to    lt Patient xmlns xsi  http   www w3 org 2001 XMLSchema-instance  xmlns xsd  http   www w3 org 2001 XMLSchema  gt    This solved my problem  hope it helps someone else

User · Answer

First check the variables declared using proper Datatypes  I had a same problem then I have checked  by mistake I declared SAPUser as int datatype so that the error occurred  One more thing XML file stores its data using concept like array but its first index starts having  1  e g  if error is in 7 2  then check for 6th line always

User · Answer

Ensure your Message class looks like below    Serializable  XmlRoot  Message    public class Message       public string FirstName   get  set         public string LastName   get  set        This works for me fine   string xml   File ReadAllText  c   Message xml    var result   DeserializeFromXml lt Message gt  xml     MSDN  XmlRoot ElementName      The name of the XML root element that is generated and recognized in   an XML-document instance  The default is the name of the serialized   class    So it might be your class name is not Message and this is why deserializer was not able find it using default behaviour

User · Answer

I had the same thing  All came down to a  d  instead of a  D  in a tag name in the schema

User · Answer

In my case I had a float value expected where xml had a null value so be sure to search for float and int data type in your xsd map

[c#] There is an error in XML document (1, 41)

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