“/”应用程序中的服务器错误。

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行 265:

行 266:            // 防止 sql 注入：

行 267:            string username= System.Web.HttpContext.Current.Request.Cookies["username"].Value.ToString().ToLower();

行 268:            if ((username == "admin") || (username == "private"))

行 269:            { }

[NullReferenceException: 未将对象引用设置到对象的实例。]

   xp03131.Global.Application_BeginRequest(Object sender, EventArgs e) in D:\inetpub\xiazai\Web\Global.asax.cs:267

   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +222

   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +212

   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +90