Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 18:     {
Line 19:         DataTable dt = (DataTable)Session["dataByTitle"];//Thông tin chi tiết về Items hoặc Groups đã được gán ở Defualt.aspx vào session
Line 20:         if (dt.Rows.Count > 0)
Line 21:         {
Line 22:             UpdateTotalView(dt.Rows[0][ItemsColumns.IidColumn].ToString());

Source File: e:\Domain website\namvietdoor.com\cms\display\News\Controls\Detail.ascx.cs    Line: 20

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   cms_display_News_Controls_Detail.LoadDetail() in e:\Domain website\namvietdoor.com\cms\display\News\Controls\Detail.ascx.cs:20
   cms_display_News_Controls_Detail.Page_Load(Object sender, EventArgs e) in e:\Domain website\namvietdoor.com\cms\display\News\Controls\Detail.ascx.cs:14
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Control.LoadRecursive() +184
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0