找不到文件或程序集名称“[random].dll”，或找不到它的一个依赖项

Problem:
在WEB项目中使用DAAB实现DAL，访问数据访问页面，出现错误：
调试信息： 异常类型：System.IO.FileNotFoundException
异常信息：找不到文件或程序集名称“k9iqdxdk.dll”，或找不到它的一个依赖项。
出错堆栈： at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Boolean isStringized, Evidence assemblySecurity, Boolean throwOnFileNotFound, Assembly locationHint, StackCrawlMark& stackMark)
at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Boolean stringized, Evidence assemblySecurity, StackCrawlMark& stackMark)
at System.Reflection.Assembly.Load(AssemblyName assemblyRef, Evidence assemblySecurity)
at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly()
at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly()
at System.Xml.Serialization.Compiler.Compile()
at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings)
at System.Xml.Serialization.XmlSerializer..ctor(Type type, String defaultNamespace)
at System.Xml.Serialization.XmlSerializer..ctor(Type type)
at Microsoft.Practices.EnterpriseLibrary.Configuration.ConfigurationManagerSectionHandler.Create(Object parent, Object configContext, XmlNode section)
at Microsoft.Practices.EnterpriseLibrary.Configuration.ConfigurationFile.EvaluateRecursive(IConfigurationSectionHandler sectionHandler, Object config, String[] keys, Int32 keyIndex, XmlTextReader reader)
at Microsoft.Practices.EnterpriseLibrary.Configuration.ConfigurationFile.Evaluate(String configKey)
at Microsoft.Practices.EnterpriseLibrary.Configuration.ConfigurationFile.ResolveConfig(String configKey)
at Microsoft.Practices.EnterpriseLibrary.Configuration.ConfigurationFile.GetConfig(String configKey)

Cause:
Asp.net/Network Service 账户没有访问%windir%\Temp目录的权限。

Solution:
更改%windir%\Temp的共享和安全，添加Asp.net/Network Service访问权限。