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"There is an error in XML document (0, 0)." Root element is missing

Posted on 2013-05-19
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4,343 Views
Last Modified: 2013-05-27
I get exception "There is an error in XML document (0, 0)." Root element is missing while deserializing an xml string. I give the code below.

What could be reason for the exception and how to resolve it? Please do assist.


 
  public static object FromXml(string xmlString, Type type)
        {
            object objectToReturn = null;
            var serializer = new XmlSerializer(type);
            using (var stream = new StringReader(xmlString))
            {
                try
                {
                    objectToReturn = serializer.Deserialize(stream);
                }
                catch (Exception ex)
                {
                    throw new InvalidOperationException("Failed to " + "create object from xml string", ex);
                }
            }

            return objectToReturn;
        }

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The xml file looks like below:

<?xml version="1.0"?><SettlementInfo><Id>10000019</Id><Name>Easwar</Name>.....</SettlementInfo>

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0
Comment
Question by:Easwaran Paramasivam
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5 Comments
 
LVL 42

Accepted Solution

by:
sedgwick earned 400 total points
ID: 39178570
what is the type passed to the function?
try this generix xml deserializer instead:
 public static T DeserializeFromXml<T>(string xml)
        {
            T result;

            var ser = new XmlSerializer(typeof(T));
            using (var tr = new StringReader(xml))
            {
                result = (T)ser.Deserialize(tr);
            }
            return result;
        }

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0
 
LVL 75

Assisted Solution

by:käµfm³d 👽
käµfm³d   👽 earned 100 total points
ID: 39178590
Are you certain that is the XML being passed to the serializer? Have you tried stepping through that bit of code and inspecting your xmlString variable to see that is correct?
0
 
LVL 16

Author Comment

by:Easwaran Paramasivam
ID: 39198584
In the XML file I've replaced SettlementInfo with VIPSettlementInfo and it works fine.
0
 
LVL 16

Author Closing Comment

by:Easwaran Paramasivam
ID: 39198586
Your information is useful.
0
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 39199235
It would tickle me to no end to know how making the method generic solved the issue, especially considering that the algorithm is exactly the same.
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