As the error message suggests, MSBuild is trying to evaluate $(var.NovaWeb) as an MSBuild variable and failing. I suspect the heat task requires you to pass the name of variable. Try just "NovaWeb" or possibly "var.NovaWeb"
-----Original Message----- From: Rajeshkannan Krishnamoorthy [mailto:rajeshkannan.kr...@gmail.com] Sent: 18 July 2012 07:02 To: wix-users Subject: [WiX-users] error MSB4184: The expression """.NovaWeb" cannot be evaluated. Method 'System.String.NovaWeb' not found. Hi, When i use Heat directory in MSBuild task, I have passed the preprocessor variable. But when compliation the below error occured. error MSB4184: The expression """.NovaWeb" cannot be evaluated. Method 'System.String.NovaWeb' not found. I tried to find out the solution in internet, but nothing solve my problem. Here my code <Target Name="BeforeBuild"> <MSBuild Projects="%(ProjectReference.FullPath)" Targets="Package" Properties="Configuration=$(Configuration);Platform=AnyCPU;WixValues=$([MSBui ld]::Escape($(WixValues)))" Condition="'%(ProjectReference.WebProject)'=='True'" /> <PropertyGroup> <DefineConstants>NovaWeb=..\..\Tenix.Nova.Web\obj\$(Configuration)\Package\Pa ckageTmp\; NovaServices=..\..\Services\ServiceHost\Tenix.Nova.Services\obj\$(Configurati on)\Package\PackageTmp\ </DefineConstants> </PropertyGroup> <HeatDirectory OutputFile="%(ProjectReference.Filename).wxs" Directory="%(ProjectReference.RootDir)%(ProjectReference.Directory)obj\$(Conf iguration)\Package\PackageTmp\" DirectoryRefId="INSTALLLOCATION" ComponentGroupName="%(ProjectReference.Filename)_Project" AutogenerateGuids="true" SuppressCom="true" SuppressFragments="true" SuppressRegistry="true" SuppressRootDirectory="true" ToolPath="$(WixToolPath)" Condition="'%(ProjectReference.WebProject)'=='True'" PreprocessorVariable="$(var.NovaWeb)" /> <HeatDirectory OutputFile="%(ProjectReference.Filename).wxs" Directory="%(ProjectReference.RootDir)%(ProjectReference.Directory)obj\$(Conf iguration)\Package\PackageTmp\" DirectoryRefId="INSTALLLOCATION" ComponentGroupName="%(ProjectReference.Filename)_Project" AutogenerateGuids="true" SuppressCom="true" SuppressFragments="true" SuppressRegistry="true" SuppressRootDirectory="true" ToolPath="$(WixToolPath)" Condition="'%(ProjectReference.ServiceProject)'=='True'" PreprocessorVariable="$(var.NovaServices)" /> </Target> Can you please help me to fix this problem. Advance thanks for help -- Regards Rajesh Krishnamoorthy ----------------------------------------------------------------------------- - Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users SDL PLC confidential, all rights reserved. If you are not the intended recipient of this mail SDL requests and requires that you delete it without acting upon or copying any of its contents, and we further request that you advise us. SDL PLC is a public limited company registered in England and Wales. Registered number: 02675207. Registered address: Globe House, Clivemont Road, Maidenhead, Berkshire SL6 7DY, UK. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users