ASP.NET：”System.Web.HttpException: 请求在此上下文中不可用” 解决方法

2018-09-10 · 1 min read · httpcontext system web

项目环境：ASP.NET MVC 4

部属环境：WIN2008 X64 IIS7

异常详细信息: System.Web.HttpException: 请求在此上下文中不可用

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  <small><small><strong>解决方案一：</strong></small></small>
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  把Response、Request、Session写全<strong>：</strong>
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  <small><small>    System.Web.HttpContext.Current.Response</small></small>
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  <small><small>    System.Web.HttpContext.Current.Request</small></small>
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  <small><small>    System.Web.HttpContext.Current.Session</small></small>
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  <small><small><strong>解决方案二：</strong></small></small>
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  <small><small>Application_Start代码段中不使用System.Web.HttpContext.Current</small></small>
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  <small><small>比如</small></small>
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  <small><small>    System.Web.HttpContext.Current.Request.MapPath</small></small>
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  <small><small>可改用</small></small>
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  <small><small>    System.Web.Hosting.HostingEnvironment.MapPath</small></small>
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  <small><small><strong>解决方案三(不推荐)：</strong></small></small>
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  <small><small><strong>  </strong>  应用程序池，托管管道模式，设为经典</small></small>
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  <small><small>    </small></small><img src="/wp-content/uploads/2018/09/06113002-77391e6ea7c64fa6b16e783a621bc7c7.png" alt="" />
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