相关疑难解决方法(0)

我的环境是:WindowXP,IE8,VS2008,WatiN-2.0.20

当我尝试执行以下代码时:

IE _browser = new IE();
_browser.GoTo(_url);
_browser.Eval("alert('hello!');");

我收到以下错误:

信息:

"Access denied. (Exception of HRESULT: 0x80070005 (E_ACCESSDENIED))"

资源:

"Microsoft.mshtml"

部分StackTrace

   in WatiN.Core.Native.InternetExplorer.IEUtils.RunScript(String scriptCode, String language, IHTMLWindow2 window)
   in WatiN.Core.Native.InternetExplorer.IEDocument.RunScript(String scriptCode, String language)
   in WatiN.Core.Document.RunScript(String scriptCode, String language)
   in WatiN.Core.Document.RunScript(String javaScriptCode)
   in WatiN.Core.Document.Eval(String javaScriptCode)

我知道是关于提前问题,但我不知道如何解决它.关于这个问题的任何想法.