我在点了/install/index.aspx之后,点下一步出现以下错误,请问什么原因
源错误:
执行当前 Web 请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。
堆栈跟踪:
[InvalidOperationException: 未能映射路径“/web.config”。]
System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath virtualPath, Boolean permitNull) +483
System.Web.Hosting.HostingEnvironment.MapPathInternal(VirtualPath virtualPath) +48
System.Web.VirtualPath.MapPathInternal() +25
System.Web.HttpRequest.MapPath(VirtualPath virtualPath, VirtualPath baseVirtualDir, Boolean allowCrossAppMapping) +217
System.Web.HttpRequest.MapPath(VirtualPath virtualPath) +56
System.Web.HttpRequest.MapPath(String virtualPath) +43
System.Web.HttpServerUtility.MapPath(String path) +109
PageAdmin.Install.Next_1(Object src, EventArgs e) +62
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +96
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +116
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +31
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +32
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +72
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3825
