[NullReferenceException: 未将对象引用设置到对象的实例。]
detail_Music.BindPage() in d:\2019Web\Web\detail\Music.aspx.cs:41
detail_Music.Page_Load(Object sender, EventArgs e) in d:\2019Web\Web\detail\Music.aspx.cs:17
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +92
System.Web.UI.Control.LoadRecursive() +54
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772
|