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ValidateXAML

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Anish
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Anish asked on 28 Apr 2011, 06:22 AM

I have got following Exception in code.

I m using VS2008 and silverlight 3 . I am new for these API in these i am doing line chart with scrolling and zooming.

How can i rectify these exception.  

Error 1 The "ValidateXaml" task failed unexpectedly.
System.TypeLoadException: Could not load type 'System.ComponentModel.DefaultPropertyAttribute' from assembly 'System, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e'.
   at System.ModuleHandle.ResolveType(Int32 typeToken, RuntimeTypeHandle* typeInstArgs, Int32 typeInstCount, RuntimeTypeHandle* methodInstArgs, Int32 methodInstCount)
   at System.ModuleHandle.ResolveTypeHandle(Int32 typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext)
   at System.Reflection.Module.ResolveType(Int32 metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments)
   at System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, Assembly& lastAptcaOkAssembly, Module decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes, RuntimeType& attributeType, RuntimeMethodHandle& ctor, Boolean& ctorHasParameters, Boolean& isVarArg)
   at System.Reflection.CustomAttribute.GetCustomAttributes(Module decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeType type, RuntimeType caType, Boolean inherit)
   at System.RuntimeType.GetCustomAttributes(Type attributeType, Boolean inherit)
   at MS.Internal.Xaml.Schema.ClrType.GetCustomAttribute(Type attrType)
   at MS.Internal.Xaml.Schema.ClrType.LookupRuntimeNameProperty()
   at MS.Internal.Xaml.Schema.ClrType.LookupPropertyValue(NonBoolTypeValidBits typeBit)
   at MS.Internal.Xaml.Schema.ClrType.get_RuntimeNamePropertyCore()
   at MS.Internal.Xaml.Parser.XamlAttribute.Initialize(XamlParserContext context, XamlType ownerType, XamlNamespace ownerNamespace)
   at MS.Internal.Xaml.Parser.XamlScanner.PostprocessAttributes(XamlScannerNode node)
   at MS.Internal.Xaml.Parser.XamlScanner.ReadObjectElement(XamlName name, Boolean isEmptyTag)
   at MS.Internal.Xaml.Parser.XamlScanner.ReadElement()
   at MS.Internal.Xaml.Parser.XamlScanner.DoXmlRead()
   at MS.Internal.Xaml.Parser.XamlScanner.Read()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_PropertyElement>d__31.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementBody>d__23.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_Element>d__7.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_PropertyContent>d__4a.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_PropertyElement>d__31.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementBody>d__23.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_Element>d__7.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementContent>d__39.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementBody>d__23.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_Element>d__7.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementContent>d__39.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_ElementBody>d__23.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<P_Element>d__7.MoveNext()
   at MS.Internal.Xaml.Parser.XamlPullParser.<Parse>d__0.MoveNext()
   at MS.Internal.Xaml.TextReaderEnumerator.MoveNext()
   at MS.Internal.Xaml.XamlTextReader.Read()
   at MS.MarkupCompiler.ValidationPass.ValidateXaml(String fileName, Assembly[] assemblies, Assembly callingAssembly, TaskLoggingHelper log, Boolean shouldThrow)
   at Microsoft.Silverlight.Build.Tasks.ValidateXaml.XamlValidator.Execute()
   at Microsoft.Silverlight.Build.Tasks.ValidateXaml.XamlValidator.Execute()
   at Microsoft.Silverlight.Build.Tasks.ValidateXaml.Execute()
   at Microsoft.Build.BuildEngine.TaskEngine.ExecuteInstantiatedTask(EngineProxy engineProxy, ItemBucket bucket, TaskExecutionMode howToExecuteTask, ITask task, Boolean& taskResult) SilverlightApplication4

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Giuseppe
Telerik team
answered on 03 May 2011, 09:07 AM
Hi Anish,

As of Q3 2010 official release we have discontinued the support for our RadControls suite for Silverlight 3. We have been supporting our Silverlight 3 controls more than six months after the official release of RadControls for Silverlight 4 to ensure smooth transition between these two versions.

Generally it is not possible to use the Silverlight 4 assemblies we are currently distributing (version xx.xx.xx.1040) in Silverlight 3 project and that might be the reason for the error you are experiencing. We would suggest you to upgrade to VS2010 and Silverlight 4 and everything should work as expected.


Kind regards,
Giuseppe
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