发布网站时，选择不允许更新此预编译站点，发布后，有些页面出错，选择允许，就不出错，原因会是什么？
错误信息，很难找到原因。

Server   Error   in   '/ '   Application.
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Object   reference   not   set   to   an   instance   of   an   object.  
Description:   An   unhandled   exception   occurred   during   the   execution   of   the   current   web   request.  

Please   review   the   stack   trace   for   more   information   about   the   error   and   where   it   originated   in  

the   code.  

Exception   Details:   System.NullReferenceException:   Object   reference   not   set   to   an   instance   of   an  

object.

Source   Error:  

An   unhandled   exception   was   generated   during   the   execution   of   the   current   web   request.  

Information   regarding   the   origin   and   location   of   the   exception   can   be   identified   using   the  

exception   stack   trace   below.    

Stack   Trace:  


[NullReferenceException:   Object   reference   not   set   to   an   instance   of   an   object.]
      System.Web.Script.Services.WebServiceData.GetWebServiceData(HttpContext   context,   String  

virtualPath,   Boolean   failIfNoData,   Boolean   pageMethods)   +378
      System.Web.Script.Services.PageClientProxyGenerator.GetClientProxyScript(HttpContext  

context,   IPage   page,   Boolean   debug)   +45
      System.Web.UI.ScriptManager.RegisterServices()   +728
      System.Web.UI.ScriptManager.OnPagePreRenderComplete(Object   sender,   EventArgs   e)   +244
      System.Web.UI.Page.OnPreRenderComplete(EventArgs   e)   +2010340
      System.Web.UI.Page.ProcessRequestMain(Boolean   includeStagesBeforeAsyncPoint,   Boolean  

includeStagesAfterAsyncPoint)   +1566

 


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Version   Information:   Microsoft   .NET   Framework   Version:2.0.50727.42;   ASP.NET  

Version:2.0.50727.42

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问题出在你使用的自定义的控件上，原来我出现过这样的问题，怎么解决的忘记了，你向这个方向找下吧
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mark
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up
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这个问题我也遇到过，是因为你的页面或控件改过类名导致的。我当时是把那个改过名的文件删了然后重新建解决的。
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是不是不更新就出问题啊
不更新就应该出问题吧
我猜得
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我也遇到过这个问题，但是没有找到解决方案