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desrialization throwing a "Parse Error exception"

Posted on 2004-04-25
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Last Modified: 2007-12-19
I am trying to deserialize using the SoapFormatter.

The object I am trying to deserialzed is not directly referenced by the current assembly and class.
However, i added the particular assembly to the current AppDomain using the AppDomain.CurrentDomain.Load(rawAssembly, rawSymbolStore);

I thought this would work. but instead it throws an exception with the message:
Message      "Parse Error, no assembly associated with Xml key a3:http://schemas.microsoft.com/clr/nsassem/TestAgent/AgentPlay%2C%20Version%3D1.0.1577.29029%2C%20Culture%3Dneutral%2C%20PublicKeyToken%3Dnull AgentPlay"      string


The required assembly is already loaded to the currently utilized AppDomain, how can I get the SoapFormatter to refer to the Assembly, when performing the desrialization process.

thanks kindly in advanced.


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Question by:astaga
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by:rama_krishna580
ID: 10916351
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Accepted Solution

by:
heboh earned 500 total points
ID: 10923366
the easiest thing to do is to implement the AppDomain.CurrentDomain.AssemblyResolve event before performing the desrialization operation. Have a look at the following code :

// Deserialization method
ResolveEventHandler lca = new ResolveEventHandler(LoadComponentAssembly);

AppDomain.CurrentDomain.AssemblyResolve += lca;
            
object anObject = sf.Deserialize(sw.BaseStream);

AppDomain.CurrentDomain.AssemblyResolve -= lca;

// Method for event

private static Assembly LoadComponentAssembly(object sender, ResolveEventArgs args)
{
   string simpleName = args.Name.Substring(0, args.Name.IndexOf(','));
  string assemblyPath = Path.Combine("..\\Agent\\",  simpleName + ".dll");
  return Assembly.LoadFrom(assemblyPath);
}
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