问题描述
我试图改变bindingRedirect元素在使用XmlDocument类和直接修改值的安装时间。这里是我的app.config是什么样子:
I am trying to change the bindingRedirect element at install time by using the XmlDocument class and modifying the value directly. Here is what my app.config looks like:
<configuration>
<configSections>
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
...
</sectionGroup>
</configSections>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="MyDll" publicKeyToken="31bfe856bd364e35"/>
<bindingRedirect oldVersion="0.7" newVersion="1.0"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
...
</configuration>
然后我尝试使用下面的代码更改1.0〜2.0
I then try to use the following code to change 1.0 to 2.0
private void SetRuntimeBinding(string path, string value)
{
XmlDocument xml = new XmlDocument();
xml.Load(Path.Combine(path, "MyApp.exe.config"));
XmlNode root = xml.DocumentElement;
if (root == null)
{
return;
}
XmlNode node = root.SelectSingleNode("/configuration/runtime/assemblyBinding/dependentAssembly/bindingRedirect/@newVersion");
if (node == null)
{
throw (new Exception("not found"));
}
node.Value = value;
xml.Save(Path.Combine(path, "MyApp.exe.config"));
}
然而,抛出没有发现异常。如果我再度踏上长达/配置/运行时它的工作原理。然而,一旦我加assemblyBinding,它没有找到该节点。可能这事做的XMLNS?任何想法我怎么能修改此? ConfigurationManager中也没有获得这部分。
However, it throws the 'not found' exception. If I back the path up to /configuration/runtime it works. However once I add assemblyBinding, it does not find the node. Possibly this has something to do with the xmlns? Any idea how I can modify this? ConfigurationManager also does not have access to this section.
推荐答案
我发现我需要的东西。作为assemblyBinding节点包含xmlns属性是必需的XmlNamespaceManager的。我修改了代码使用这个和它的作品:
I found what I needed. The XmlNamespaceManager is required as the assemblyBinding node contains the xmlns attribute. I modified the code to use this and it works:
private void SetRuntimeBinding(string path, string value)
{
XmlDocument doc = new XmlDocument();
try
{
doc.Load(Path.Combine(path, "MyApp.exe.config"));
}
catch (FileNotFoundException)
{
return;
}
XmlNamespaceManager manager = new XmlNamespaceManager(doc.NameTable);
manager.AddNamespace("bindings", "urn:schemas-microsoft-com:asm.v1");
XmlNode root = doc.DocumentElement;
XmlNode node = root.SelectSingleNode("//bindings:bindingRedirect", manager);
if (node == null)
{
throw (new Exception("Invalid Configuration File"));
}
node = node.SelectSingleNode("@newVersion");
if (node == null)
{
throw (new Exception("Invalid Configuration File"));
}
node.Value = value;
doc.Save(Path.Combine(path, "MyApp.exe.config"));
}
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