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 71: 
Line 72:             // Cap nhat lai so lan xem tang them 1 khi load du lieu (khi click)
Line 73:             string Giatri = Session["ProView"].ToString();
Line 74:             int kq = Convert.ToInt32(Giatri) + 1;
Line 75:             string TangBienView = "Update tbl_Product Set ProView =" + kq + " where ProID =" + Convert.ToInt32(ID).ToString();

Source File: d:\inetpub\vhosts\spchcmc.vn\httpdocs\VN\SanPhamDetail.ascx.cs    Line: 73

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   VN_SanPhamDetail.LoadData() in d:\inetpub\vhosts\spchcmc.vn\httpdocs\VN\SanPhamDetail.ascx.cs:73
   VN_SanPhamDetail.Page_Load(Object sender, EventArgs e) in d:\inetpub\vhosts\spchcmc.vn\httpdocs\VN\SanPhamDetail.ascx.cs:18
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Control.LoadRecursive() +131
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3429.0