未将对象引用设置到对象的实例。

[NullReferenceException: 未将对象引用设置到对象的实例。] CollegeManage_content.GetBinderName() in d:\wwwroot\gx211\CollegeManage\contentzhuanye.aspx.cs:56 CollegeManage_content.BinderWrite() in d:\wwwroot\gx211\CollegeManage\contentzhuanye.aspx.cs:329 CollegeManage_content.Page_Load(Object sender, EventArgs e) in d:\wwwroot\gx211\CollegeManage\contentzhuanye.aspx.cs:39 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +24 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +41 System.Web.UI.Control.OnLoad(EventArgs e) +131 System.Web.UI.Control.LoadRecursive() +65 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2427