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 73:         NewsDAL serDAL = new NewsDAL();
Line 74:         @new ser = serDAL.FindByCondition(c => c.id.Equals(id)).FirstOrDefault();
Line 75:         ser.views += 1;
Line 76:         serDAL.SubmitChange();
Line 77:         Page.Title = ser.metatitle.ToString();

Source File: d:\vhosts\khangthanh.com\httpdocs\blogdetail.aspx.cs    Line: 75

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   blogdetail.seo() in d:\vhosts\khangthanh.com\httpdocs\blogdetail.aspx.cs:75
   blogdetail.Page_Load(Object sender, EventArgs e) in d:\vhosts\khangthanh.com\httpdocs\blogdetail.aspx.cs:18
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +43
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2602


Version Information: Microsoft .NET Framework Version:2.0.50727.9061; ASP.NET Version:2.0.50727.9062