Server Error in '/en' 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 184:            Dim titlecat = (From q In Data.Categories Where q.CatId = hidCateId.Value Select q).FirstOrDefault
Line 185:            'ltrCate.Text = titlecat.Title
Line 186:            lblTitle.Text = titlecat.Title
Line 187:            lblCatetegory.Text = lblTitle.Text
Line 188:            Page.MetaDescription = titlecat.Description

Source File: E:\www\EnglishSSL\English\Control\Product\ProductByCate.ascx.vb    Line: 186

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   English_Control_Product_ProductByCate.BindToGrid(Int32 ipage) in E:\www\EnglishSSL\English\Control\Product\ProductByCate.ascx.vb:186
   English_Control_Product_ProductByCate.Page_Load(Object sender, EventArgs e) in E:\www\EnglishSSL\English\Control\Product\ProductByCate.ascx.vb:22
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3062.0