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Normal Topic XamlParseExceptions (Read 10138 times)
springy
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XamlParseExceptions
Jan 26th, 2010 at 3:48pm
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After adding a HeaderPosition property to ListViewSettings.CellSettings:
Code
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<my:Calendar.ListViewSettings>
<my:ListViewSettings>
<my:ListViewSettings.CellSettings>
<my:CellSettings HeaderPosition="Bottom" />
</my:ListViewSettings.CellSettings>
</my:ListViewSettings>
</my:Calendar.ListViewSettings>


I get:
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System.Windows.Markup.XamlParseException occurred
  Message="Cannot convert string 'Bottom' in attribute 'HeaderPosition' to object of type 'System.Nullable`1[[MindFusion.Scheduling.Wpf.Position, MindFusion.Scheduling.Wpf, Version=2.0.0.20315, Culture=neutral, PublicKeyToken=d12631580350466b]]'. Bottom is not a valid value for Nullable`1.  Error at object 'MindFusion.Scheduling.Wpf.CellSettings' in markup file 'Tutorial1;component/window1.xaml' Line 23 Position 24."
  Source="PresentationFramework"
  LineNumber=23
  LinePosition=24
  NameContext="CellSettings"
  StackTrace:
	 at System.Windows.Markup.XamlParseException.ThrowException(String message, Exception innerException, Int32 lineNumber, Int32 linePosition, Uri baseUri, XamlObjectIds currentXamlObjectIds, XamlObjectIds contextXamlObjectIds, Type objectType)
	 at System.Windows.Markup.XamlParseException.ThrowException(ParserContext parserContext, Int32 lineNumber, Int32 linePosition, String message, Exception innerException)
	 at System.Windows.Markup.XamlTypeMapper.ParseProperty(Object targetObject, Type propType, String propName, Object dpOrPiOrFi, ITypeDescriptorContext typeContext, ParserContext parserContext, String value, Int16 converterTypeId)
	 at System.Windows.Markup.BamlRecordReader.ParseProperty(Object element, Type propertyType, String propertyName, Object dpOrPi, String attribValue, Int16 converterTypeId)
	 at System.Windows.Markup.BamlRecordReader.ReadPropertyRecordBase(String attribValue, Int16 attributeId, Int16 converterTypeId)
	 at System.Windows.Markup.BamlRecordReader.ReadPropertyConverterRecord(BamlPropertyWithConverterRecord bamlPropertyRecord)
	 at System.Windows.Markup.BamlRecordReader.ReadRecord(BamlRecord bamlRecord)
	 at System.Windows.Markup.BamlRecordReader.Read(Boolean singleRecord)
	 at System.Windows.Markup.TreeBuilderBamlTranslator.ParseFragment()
	 at System.Windows.Markup.TreeBuilder.Parse()
	 at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
	 at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
	 at MindFusion.Scheduling.Wpf.Samples.CS.Tutorial1.Window1.InitializeComponent() in c:\Program Files (x86)\MindFusion\MindFusion.Scheduling for WPF (Trial Version)\VS2008 (.NET 3.0)\Samples\C#\Tutorials\Tutorial1\Window1.xaml:line 1
	 at MindFusion.Scheduling.Wpf.Samples.CS.Tutorial1.Window1..ctor() in C:\Program Files (x86)\MindFusion\MindFusion.Scheduling for WPF (Trial Version)\VS2008 (.NET 3.0)\Samples\C#\Tutorials\Tutorial1\Window1.xaml.cs:line 22
  InnerException: System.FormatException
	 Message="Bottom is not a valid value for Nullable`1."
	 Source="System"
	 StackTrace:
		at System.ComponentModel.EnumConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value)
		at System.ComponentModel.TypeConverter.ConvertFromString(ITypeDescriptorContext context, CultureInfo culture, String text)
		at System.Windows.Markup.XamlTypeMapper.ParseProperty(Object targetObject, Type propType, String propName, Object dpOrPiOrFi, ITypeDescriptorContext typeContext, ParserContext parserContext, String value, Int16 converterTypeId)
	 InnerException: System.ArgumentException
		Message="Type provided must be an Enum.\r\nParameter name: enumType"
		Source="mscorlib"
		ParamName="enumType"
		StackTrace:
		     at System.Enum.Parse(Type enumType, String value, Boolean ignoreCase)
		     at System.ComponentModel.EnumConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value)
		InnerException:


And I have similar problems with projects using Visual Studio 2010: There all Theme="Vista" assignments in xaml get a similar exception about Nullables (I don't see nullables anywhere).

Is this some sort of obfuscation problem?
  
/\/\arkus.
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springy
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Re: XamlParseExceptions
Reply #1 - Jan 26th, 2010 at 3:48pm
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The Theme property with VS2010: (last message would have been too long):

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System.Windows.Markup.XamlParseException occurred
  Message='Vista' string is not a valid value for 'Theme' property of type 'Nullable`1'. No parameterless constructor defined for this object.  Error at object 'calendar' in markup file 'MyProject;component/simpleweekviewdocwin.xaml' Line 40 Position 42.
  Source=PresentationFramework
  LineNumber=40
  LinePosition=42
  NameContext=calendar
  StackTrace:
	 at System.Windows.Markup.XamlParseException.ThrowException(String message, Exception innerException, Int32 lineNumber, Int32 linePosition, Uri baseUri, XamlObjectIds currentXamlObjectIds, XamlObjectIds contextXamlObjectIds, Type objectType)
	 at System.Windows.Markup.XamlParseException.ThrowException(ParserContext parserContext, Int32 lineNumber, Int32 linePosition, String message, Exception innerException)
	 at System.Windows.Markup.BamlRecordReader.ThrowExceptionWithLine(String message, Exception innerException)
	 at System.Windows.Markup.BamlRecordReader.ThrowPropertyParseError(Exception e, String propertyName, String attribValue, Object element, Type propertyType)
	 at System.Windows.Markup.BamlRecordReader.ParseProperty(Object element, Type propertyType, String propertyName, Object dpOrPi, String attribValue, Int16 converterTypeId)
	 at System.Windows.Markup.BamlRecordReader.ReadPropertyRecordBase(String attribValue, Int16 attributeId, Int16 converterTypeId)
	 at System.Windows.Markup.BamlRecordReader.ReadPropertyConverterRecord(BamlPropertyWithConverterRecord bamlPropertyRecord)
	 at System.Windows.Markup.BamlRecordReader.ReadRecord(BamlRecord bamlRecord)
	 at System.Windows.Markup.BamlRecordReader.Read(Boolean singleRecord)
	 at System.Windows.Markup.TreeBuilderBamlTranslator.ParseFragment()
	 at System.Windows.Markup.TreeBuilder.Parse()
	 at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream)
	 at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
	 at DotNetFabrik.MyProject.SimpleWeekViewDocWin.InitializeComponent() in c:\Entwicklung\svnWork\MyProject\SimpleWeekViewDocWin.xaml:line 1
	 at DotNetFabrik.MyProject.SimpleWeekViewDocWin..ctor() in C:\Entwicklung\svnWork\MyProject\SimpleWeekViewDocWin.xaml.cs:line 33
  InnerException: System.MissingMethodException
	 Message=No parameterless constructor defined for this object.
	 Source=mscorlib
	 StackTrace:
		at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck)
		at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache)
		at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache)
		at System.Activator.CreateInstance(Type type, Boolean nonPublic)
		at System.Windows.Markup.BamlMapTable.GetConverterFromId(Int16 typeId, Type propType, ParserContext pc)
		at System.Windows.Markup.XamlTypeMapper.ParseProperty(Object targetObject, Type propType, String propName, Object dpOrPiOrFi, ITypeDescriptorContext typeContext, ParserContext parserContext, String value, Int16 converterTypeId)
		at System.Windows.Markup.BamlRecordReader.ParseProperty(Object element, Type propertyType, String propertyName, Object dpOrPi, String attribValue, Int16 converterTypeId)
	 InnerException:
  
/\/\arkus.
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springy
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Re: XamlParseExceptions
Reply #2 - Jan 26th, 2010 at 4:13pm
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BTW:
The second problem with the Theme property only happens when compiling from within VS2010 or by using msbuild 4.0 -- using msbuild 3.5 (from VS2008 command prompt) against the VS2010 project (which uses .NET target framework 3.5) results in a working executable.
  
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springy
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Re: XamlParseExceptions
Reply #3 - Jan 26th, 2010 at 4:25pm
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I removed the Theme="Vista" property from xaml and a second later (while in VS2010 xaml editor) a messagebox popped up:

---------------------------

---------------------------
kofti bate...
---------------------------
OK   
---------------------------

???
  
/\/\arkus.
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springy
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Re: XamlParseExceptions
Reply #4 - Jan 27th, 2010 at 1:31pm
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It's the DependencyProperties (static field Calendar.ThemeProperty) which are created wrong.

BTW: I think CurrentView and GroupType also should be dependency properties.
  
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Meppy
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Re: XamlParseExceptions
Reply #5 - Jan 27th, 2010 at 2:01pm
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The ThemeProperty is registered as a Nullable<ThemeType> dependency property. It seems that VS 2010 has some problems with Nullable properties. We have converted all Nullable properties to normal properties now. A new version of the control can be downloaded from the following link:

https://mindfusion.eu/_pln_trial/MindFusion.Scheduling.Wpf.2.1.zip

This version also introduces customizable templates for view cells. Check this topic for more information on how to use them.

Regards,
Meppy
  
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springy
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Re: XamlParseExceptions
Reply #6 - Jan 28th, 2010 at 4:48pm
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Great Smiley Now even Intellisense (ctrl+j) works for the Theme property in xaml view.

Note that the problem with HeaderPosition property of ListViewSettings.CellSettings even failed on VS2008 when being declared in xaml.
  
/\/\arkus.
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Meppy
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Re: XamlParseExceptions
Reply #7 - Jan 29th, 2010 at 7:09am
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Does HeaderPosition still crash with the new version?

Regards,
Meppy
  
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springy
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Re: XamlParseExceptions
Reply #8 - Jan 29th, 2010 at 9:37am
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No. I only wanted to note that VS2008 users will benefit from the property changes, too.
  
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