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 10:             Me.AccessDataSource1.SelectCommand = "SELECT * FROM [product] WHERE [id] = " & Me.Request("id") & " ORDER BY [id] DESC"
Line 11:             
Line 12:             Page.Title = CType(Me.FormView1.FindControl("lbl_brand"), Label).Text & " " & CType(Me.FormView1.FindControl("lbl_title"), Label).Text
Line 13:         
Line 14:             Dim _count As Integer

Source File: D:\vhosts\vietmatkinh.com\httpdocs\user_control\product_detail_vmk.ascx    Line: 12

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.product_detail_vmk.Page_Load(Object sender, EventArgs e) in D:\vhosts\vietmatkinh.com\httpdocs\user_control\product_detail_vmk.ascx:12
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


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