c#之Web.config 转换不转换 VS 2017

我确实取消了样板代码的注释并尝试发布到文件系统以检查“转换”是否有效。

但是，它不会转换 web.config 文件。我已经查看了此处的一些文章和答案，但无法正常工作。

我尝试过的事情:

Removing the namespace from the configuration node(complains about xdt missing) 
Creating a new transform file(production) 
Creating a new configuration(production) 

这是 web.Release.config:

<?xml version="1.0"?> 
 
<!-- For more information on using Web.config transformation visit https://go.microsoft.com/fwlink/?LinkId=301874 --> 
 
<configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform"> 
  <!-- 
    In the example below, the "SetAttributes" transform will change the value of 
    "connectionString" to use "ReleaseSQLServer" only when the "Match" locator 
    finds an attribute "name" that has a value of "MyDB". 
 
    <connectionStrings> 
      <add name="MyDB" 
        connectionString="Data Source=ReleaseSQLServer;Initial Catalog=MyReleaseDB;Integrated Security=True" 
        xdt:Transform="SetAttributes" xdt:Locator="Match(name)"/> 
    </connectionStrings> 
  --> 
      <connectionStrings> 
      <add name="MyDB" 
        connectionString="Data Source=ReleaseSQLServer;Initial Catalog=MyReleaseDB;Integrated Security=True" 
        xdt:Transform="SetAttributes" xdt:Locator="Match(name)"/> 
    </connectionStrings> 
  <system.web> 
    <compilation xdt:Transform="RemoveAttributes(debug)" /> 
    <!-- 
      In the example below, the "Replace" transform will replace the entire 
      <customErrors> section of your Web.config file. 
      Note that because there is only one customErrors section under the 
      <system.web> node, there is no need to use the "xdt:Locator" attribute. 
 
      <customErrors defaultRedirect="GenericError.htm" 
        mode="RemoteOnly" xdt:Transform="Replace"> 
        <error statusCode="500" redirect="InternalError.htm"/> 
      </customErrors> 
    --> 
  </system.web> 
</configuration> 

我收到以下错误:

No element in the source document matches '/configuration/connectionStrings/add[@name='MyDB']' 

但如您所见，它存在于添加节点中。

有什么建议吗？我很困惑为什么它不起作用。

编辑: web.config 连接字符串

<connectionStrings> 
    <add name="DefaultConnection" connectionString="Data Source=.\SQLExpress;database=smartDB;Integrated Security=True" providerName="System.Data.SqlClient" /> 
  </connectionStrings> 

请您参考如下方法:

name 的值属性需要在您的 web.config 之间匹配和 web.release.config ，因为您指定的是 Match(name)在转换配置中。

在您的 web.config 中，您有:name="DefaultConnection" 在您的 web.release.config 中:name="MyDB"