blocks|key|1403673|text|您可以使用System.Reflection.Assembly.Load*()方法，然后获取它们的AssemblyInfo。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1403674|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can use System.Reflection.Assembly.Load*() methods and then grab their AssemblyInfo.

blocks|key|1403722|text|为启动的程序集(winform、控制台应用程序等)获取它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1403723|using+System.Reflection;
...
Assembly.GetEntryAssembly().GetName().Version|code-block|syntax|javascript|1403724|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

To get it for the assembly that was started (winform, console app, etc...)

<pre><code>using System.Reflection;
...
Assembly.GetEntryAssembly().GetName().Version
</code></pre>

blocks|key|1188391|text|var+versionAttrib+=+new+AssemblyName(Assembly.GetExecutingAssembly().FullName);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1188392|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>var versionAttrib = new AssemblyName(Assembly.GetExecutingAssembly().FullName);
</code></pre>

blocks|key|1403812|text|这里有一个很好的方法，使用一些反射来获得包含特定类的DLL版本：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1403813|var+ver+=+System.Reflection.Assembly.GetAssembly(typeof(!Class!)).GetName().Version;|code-block|syntax|javascript|1403814|只需替换!Class！使用在要获取其版本的DLL中定义的类的名称。|1403815|这是我首选的方法，因为如果我为不同的部署移动DLL，我就不必更改文件路径。|1403816|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Here's a nice way using a bit of reflection to get a version of a DLL containing a particular class:

<pre><code>var ver = System.Reflection.Assembly.GetAssembly(typeof(!Class!)).GetName().Version;
</code></pre>

Just replace !Class! with the name of a class which is defined in the DLL you wish to get the version of.

This is my preferred method because if I move the DLLs around for different deploys I don't have to change the filepath.

blocks|key|1403890|text|虽然最初的问题可能不是特定于web服务的，但这里有一个完整的testWebService，您可以添加它来显示web服务的非缓存响应以及文件版本。我们使用文件版本而不是程序集版本，因为我们想知道版本，但使用所有程序集版本1.0.0.0，网站都可以很容易地打补丁(签名和请求链接仍然有效！)。将@Class@替换为嵌入此服务的web+api控制器的名称。它对于web服务的go/nogo加上一个快速的版本检查是很好的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1403891|++[Route("api/testWebService")]
++[AllowAnonymous]
++[HttpGet]
++public+HttpResponseMessage+TestWebService()
++{
++++++HttpResponseMessage+responseMessage+=+Request.CreateResponse(HttpStatusCode.OK);
++++++string+loc+=+Assembly.GetAssembly(typeof(@Class@)).Location;
++++++FileVersionInfo+versionInfo+=+FileVersionInfo.GetVersionInfo(loc);
++++++responseMessage.Content+=+new+StringContent($"<h2>The+XXXXX+web+service+GET+test+succeeded.</h2>{DateTime.Now} File+Version:+{versionInfo.FileVersion}");
++++++responseMessage.Content.Headers.ContentType+=+new+MediaTypeHeaderValue("text/html");
++++++Request.RegisterForDispose(responseMessage);
++++++return+responseMessage;
++}|code-block|syntax|javascript|1403892|我还发现有必要将以下内容添加到configuration下的web.config中，以使其真正匿名|1403893|<location+path="api/testwebservice">
++++<system.web>
++++++++<authorization>
++++++++++++<allow+users="*"+/>
++++++++</authorization>
++++</system.web>
</location>|1403894|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

While the original question may not have been specific to a web service, here is a complete testWebService you can add to display a web service non-cached response plus the file version. We use file version instead of assembly version because we want to know a version, but with all assembly versions 1.0.0.0, the web site can be easily patched (signing and demand link still active!). Replace @Class@ with the name of the web api controller this service is embedded in. It's good for a go/nogo on a web service plus a quick version check. 

<pre><code> [Route("api/testWebService")]
 [AllowAnonymous]
 [HttpGet]
 public HttpResponseMessage TestWebService()
 {
 HttpResponseMessage responseMessage = Request.CreateResponse(HttpStatusCode.OK);
 string loc = Assembly.GetAssembly(typeof(@Class@)).Location;
 FileVersionInfo versionInfo = FileVersionInfo.GetVersionInfo(loc);
 responseMessage.Content = new StringContent($"&lt;h2&gt;The XXXXX web service GET test succeeded.&lt;/h2&gt;{DateTime.Now}&lt;br/&gt;&lt;br/&gt;File Version: {versionInfo.FileVersion}");
 responseMessage.Content.Headers.ContentType = new MediaTypeHeaderValue("text/html");
 Request.RegisterForDispose(responseMessage);
 return responseMessage;
 }
</code></pre>

I found it also necessary to add the following to web.config under configuration to make it truly anonymous

<pre><code>&lt;location path="api/testwebservice"&gt;
 &lt;system.web&gt;
 &lt;authorization&gt;
 &lt;allow users="*" /&gt;
 &lt;/authorization&gt;
 &lt;/system.web&gt;
&lt;/location&gt;
</code></pre>

blocks|key|1403997|text|@Ben的回答被证明对我很有用。但我需要检查产品版本，因为它是我的软件中发生的主要增量，并遵循语义版本控制。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1403998|myFileVersionInfo.ProductVersion|code-block|syntax|javascript|1403999|这种方法符合我的期望。|1404000|更新:我们可以使用Assembly获取产品版本，而不是在程序中明确提到dll路径(在生产版本中需要)。|1404001|Assembly+assembly+=+Assembly.GetExecutingAssembly();
FileVersionInfo+fileVersionInfo+=FileVersionInfo.GetVersionInfo(assembly.Location);+
string+ProdVersion=+fileVersionInfo.ProductVersion;|1404002|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|S|8|@]|9|@]|A|$E|F]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Answer by @Ben proved to be useful for me. But I needed to check the product version as it was the main increment happening in my software and followed semantic versioning. 

<pre><code>myFileVersionInfo.ProductVersion
</code></pre>

This method met my expectations

Update: Instead of explicitly mentioning dll path in program (as needed in production version), we can get product version using Assembly.

<pre><code>Assembly assembly = Assembly.GetExecutingAssembly();
FileVersionInfo fileVersionInfo =FileVersionInfo.GetVersionInfo(assembly.Location); 
string ProdVersion= fileVersionInfo.ProductVersion;
</code></pre>

Is it possible to get the version number programmatically from any .NET DLL?

If yes, how?

Programmatically get the version number of a DLL

是否可以通过编程方式从任何.NET动态链接库获取版本号？如果是，是如何实现的？

问以编程方式获取DLL的版本号
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