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 98:     protected void SetTitle()
Line 99:     {
Line 100:        string title = article.SeoTitle;
Line 101:        string description = article.SeoDescription;
Line 102:        string keyword = article.SeoKeyword;

Source File: c:\Website\danguitar.vn\ArticleDetails.aspx.cs    Line: 100

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ArticleDetails.SetTitle() in c:\Website\danguitar.vn\ArticleDetails.aspx.cs:100
   ArticleDetails.Page_Load(Object sender, EventArgs e) in c:\Website\danguitar.vn\ArticleDetails.aspx.cs:43
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4682.0