Web.config Transformation Tester

This is a simple tool that lets you test Web.config transformations. Here's the full syntax-guide at MSDN.

Paste your web.config into the top text box and your transform into the second one. Click the 'Transform' button to see the result of the transformation.

This tool was made for your enjoyment by AppHarbor, the .NET Platform-as-a-Service.

Web.config

<?xml version="1.0"?>
<configuration>
  <connectionStrings>
    <add name="foo" connectionString="value"/>
  </connectionStrings>
  <system.web>
    <customErrors mode="Off"/>
  </system.web>
</configuration>

Transform (eg. Web.Debug.config)

<?xml version="1.0"?>
<configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform">
  <xdt:Import assembly="AppHarbor.TransformTester" namespace="AppHarbor.TransformTester.Transforms"/>
  
  <configSections xdt:Transform="MergeBefore(/configuration/*)" />

  <configSections>
    <section name="mySection" xdt:Transform="Insert" />
  </configSections>
  
  <connectionStrings xdt:Transform="Merge" />

  <connectionStrings>
    <add name="bar" connectionString="value" xdt:Transform="Insert"/>
  </connectionStrings>

  <system.web>
      <customErrors mode="On" xdt:Transform="Replace">
      </customErrors>
  </system.web>

</configuration>

Result

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