[Mono-bugs] [Bug 427769] New: Typed datasets binary serialization error

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Sep 19 10:29:12 EDT 2008


           Summary: Typed datasets binary serialization error
           Product: Mono: Class Libraries
           Version: 2.0
          Platform: Other
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: Sys.Data
        AssignedTo: bnc-blr-team-mono at forge.provo.novell.com
        ReportedBy: marcosb at internet.com.uy
         QAContact: mono-bugs at lists.ximian.com
          Found By: Development

Description of Problem:
I have an extremelly simple typed dataset generated using vs 2005 with one
datatable with a simple column
When I try to run this test I get the following exception when deserializing
the dataset

"System.ArgumentException : The given name 'MyDataTable' matches atleast two
namesin the collection object with different namespaces"

This also happens with a vs2008 generated dataset

Steps to reproduce the problem:
        public void SimpleTypedDataSetSerialization()
            MyDataSet ds = new MyDataSet();            

            BinaryFormatter f = new BinaryFormatter();
            MemoryStream ms = new MemoryStream();
            f.Serialize(ms, ds);

            ms.Position = 0;
            ds = (MyDataSet)f.Deserialize(ms);            

Actual Results:
System.ArgumentException : The given name 'MyDataTable' matches atleast two
namesin the collection object with different namespaces

Expected Results:

How often does this happen? 

Additional Information:
My application is 1 million LOC. A rewrite of typed datasets into plain objects
it's not a nice alternative

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