TransferResult处理中用MvcHttpHandler在mvc3和mvc5区别



“System.InvalidOperationException”类型的异常在 System.Web.dll 中发生，但未在用户代码中进行处理

其他信息: 只能在引发“HttpApplication.AcquireRequestState”之前调用“HttpContext.SetSessionStateBehavior”。

/// <summary>
/// Transfers execution to the supplied url.
/// </summary>
public class TransferResult : ActionResult
{
public string Url { get; private set; }

public TransferResult(string url)
{
this.Url = url;
}

public override void ExecuteResult(ControllerContext context)
{
if (context == null)
throw new ArgumentNullException("context");

var httpContext = HttpContext.Current;

// MVC 3+ running on IIS 7+
if (HttpRuntime.UsingIntegratedPipeline)
{
httpContext.Server.TransferRequest(this.Url, true);
}
else
{
// Pre MVC 3
httpContext.RewritePath(this.Url, false);

IHttpHandler httpHandler = new MvcHttpHandler();
httpHandler.ProcessRequest(httpContext);
}
}
}

重点是下面的：

// MVC3+ running on IIS 7+

if (HttpRuntime.UsingIntegratedPipeline)

{

httpContext.Server.TransferRequest(this.Url, true);

}

else

{

// Pre MVC 3

httpContext.RewritePath(this.Url, false);

IHttpHandler httpHandler = new MvcHttpHandler();

httpHandler.ProcessRequest(httpContext);

}