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Small Question on XML Serialization using ASP.NET C#

Posted on 2009-05-02
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Last Modified: 2012-05-06
In shown in Code below, I have an XML file that I need to generate using XML Schema thru XML Serialzation.

In this XML file, there is a prefix 'Shop:' being used throughout all the nodes. This Prefix is not present in the Class File that I generated using XSD.

How to I add this prefix in all the nodes of the XML file that I generate?

I am using MS ASP.NET C# to achieve this.

Thanks!
<Shop:StoreInfo>
        <Shop:ItemName>
                    <Shop:ProductCode>String</Shop:ProductCode>
                     <Shop:ProductType>String</Shop:ProductType>
        </Shop:ItemName>
</Shop:StoreInfo>

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Question by:meetpd
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7 Comments
 
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Expert Comment

by:Bob Learned
ID: 24292205
Shop: would normally be associated with a namespace.  If you don't have a namespace, I believe that you should be able to generate a namespace in order to get that prefix.
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LVL 21

Expert Comment

by:MogalManic
ID: 24292243
You need to serialize with the XmlSerializerNamespaces class and use the XmlNamespace attribute on your class:
http://msdn.microsoft.com/en-us/library/system.xml.serialization.xmlserializernamespaces(VS.80).aspx

So the code would be something like this:

public class Run
{
   public static void Main()
   {
      Run test = new Run();
      test.SerializeObject("XmlNamespaces.xml");
   }
 
   public void SerializeObject(string filename)
   {
      XmlSerializer s = new XmlSerializer(typeof(Books));
      // Writing a file requires a TextWriter.
      TextWriter t = new StreamWriter(filename);
 
      /* Create an XmlSerializerNamespaces object and add two
      prefix-namespace pairs. */
      XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
      ns.Add("Shop", "http://www.MyCompanyName.Com/ShopXml");
 
      // Create a ShopInfo instance.
      ShopInfo shp = new ShopInfo();
      /*...Setup Info class.../*
 
      s.Serialize(t,shp,ns);
      t.Close();
   }
}
//...
[XmlType(Namespace ="http://www.MyCompanyName.Com/ShopXml")]
public class ShopInfo
{
//...The rest of class definition...
}

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Author Comment

by:meetpd
ID: 24306449
Thanks for the sample code.

But this code changes the name of the namespace. What we need here to add prefix to all class names so that ALL nodes will have prefix 'Shop:'.

Can you please suggest something?

Thanks!

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LVL 21

Expert Comment

by:MogalManic
ID: 24306708
If you want the default namespace to be the "Shop" namespace, then just change the XmlSerializer constructor (line 11 in above code) to:
      XmlSerializer s = new XmlSerializer(typeof(ShopInfo), "http://www.MyCompanyName.Com/ShopXml");


This will produce XML something like this:
<?xml version="1.0" encoding="utf-16"?>

  ShopName
  <!--Other XML nodes-->



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Author Comment

by:meetpd
ID: 24306926
Thanks...but will this also create 'Shop:' as prefix for ALL nodes as given below?

 <Shop:ItemName>
                    <Shop:ProductCode>String</Shop:ProductCode>
                     <Shop:ProductType>String</Shop:ProductType>
        </Shop:ItemName>

Really appreciate your quick response!
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LVL 21

Accepted Solution

by:
MogalManic earned 500 total points
ID: 24307364
It should.  Try it out.

This is from the documentation:http://msdn.microsoft.com/en-us/library/kw0f5wee(VS.80).aspx

defaultNamespace
    The default namespace to use for all the XML elements.
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Author Comment

by:meetpd
ID: 24344603
Yes, it worked!! Thanks for solving my problem.
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