XmlPoke and unique nodes

扶醉桌前 提交于 2019-12-23 09:56:27

问题


I am trying to use an xmlpoke task to update a VS Project File (which is XML). In the Project root, there are multiple PropertyGroup nodes, I am trying to select the first one. The XML looks like this

 <Project>
    <PropertyGroup>
    </PropertyGroup>
    <PropertyGroup>
    </PropertyGroup>
    <PropertyGroup>
    </PropertyGroup>
 </Project>

I am using an xpath of //Project/PropertyGroup[1] to get the first PropertyGroup, but I get the error: “Non-unique xpath given //Project/PropertyGroup[1]”.

edit: sorry, I didn't think it mattered (but it does), Project has a namespace. I put the correct XML with the correct xmlpoke as an answer for any future searchers.


回答1:


Ok, I simplified the XML snippet above too much -- I think someone would have figured it out if I hadn't. The answer is that since Project has a namespace, it needs to be like this

   <xmlpoke file="project_file.csproj" value="v4.0" xpath="//x:Project/x:PropertyGroup[1]/x:TargetFrameworkVersion">
    <namespaces>
      <namespace prefix="x" uri="http://schemas.microsoft.com/developer/msbuild/2003" />
    </namespaces>
   </xmlpoke>

For reference, the Project tag looks like this:

  <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="Build">


来源:https://stackoverflow.com/questions/2584766/xmlpoke-and-unique-nodes

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