[NullReferenceException: 未将对象引用设置到对象的实例。]
ccwl_admin_messages.Page_Load(Object sender, EventArgs e) in c:\Data\DisplayWebSite\20201026[演示包]基于ASP.NET+SQLServer的公司网站系统\Publish\admin\messages.aspx.cs:24
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693
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