“/”应用程序中的服务器错误。

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[InvalidCastException: 对象不能从 DBNull 转换为其他类型。]
   news.Page_Load(Object sender, EventArgs e) +1434
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   PageDataBind.OnLoad(EventArgs e) +4
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627