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BOOK: Professional Microsoft SQL Server 2008 Integration Services ISBN: 978-0-470-24795-2
This is the forum to discuss the Wrox book Professional Microsoft SQL Server 2008 Integration Services by Brian Knight, Erik Veerman, Grant Dickinson, Douglas Hinson, Darren Herbold; ISBN: 9780470247952
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Old February 7th, 2009, 03:47 PM
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Default Chapter 9 - Example: Serializing Data to XML

I am having a problem getting the example code to work in C# for "Chapter 9 - Example: Serializing Data to XML". The code compiles fine, but I hit a runtime exception.

Where the code is having a problem is:

XmlSerializer ser = newXmlSerializer(typeof(List<SSISSetting>));
ser.Serialize(outfile, arrayListSettings);

The exception I get is:

Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidOperationException: There was an error generating the XML document. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Xml.Serialization.GeneratedAssembly.Xml SerializationWriterList1' threw an exception. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriterList1..cctor()
--- End of inner exception stack trace ---
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriterList1..ctor()
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializerContract.get_Writer()
at System.Xml.Serialization.TempAssembly.InvokeWriter (XmlMapping mapping, XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
at System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
--- End of inner exception stack trace ---
at System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
at System.Xml.Serialization.XmlSerializer.Serialize(T extWriter textWriter, Object o, XmlSerializerNamespaces namespaces)
at System.Xml.Serialization.XmlSerializer.Serialize(T extWriter textWriter, Object o)
at ST_6bd1677c45cf423d90fbdb388871e8ad.csproj.ScriptM ain.doClass1()
at ST_6bd1677c45cf423d90fbdb388871e8ad.csproj.ScriptM ain.Main()
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle._InvokeMethodFast(Objec t target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture)
at Microsoft.SqlServer.Dts.Tasks.ScriptTask.VSTATaskS criptingEngine.ExecuteScript()


Can you help?

Thank you
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Old March 1st, 2012, 07:01 AM
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Question Same Error in the C# Script

Hi,

I'm getting the same error in the C# script.

Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidOperationException: There was an error generating the XML document. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Xml.Serialization.GeneratedAssembly.Xml SerializationWriterList1' threw an exception....

Please could you provide a fix?

Thanks in advance,

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