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 11:     protected void Page_Load(object sender, EventArgs e)
Line 12:     {
Line 13:         int getId = Convert.ToInt32(RouteData.Values["id"].ToString());
Line 14:         header.GioiThieuChiTiet = getId;
Line 15:         var list = from gt in db.tbHomeIntros where gt.intro_id == getId select gt;

Source File: c:\webspace\vjlc.vn\cncstone.vn\web_module\web_About.aspx.cs    Line: 13

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   web_module_web_About.Page_Load(Object sender, EventArgs e) in c:\webspace\vjlc.vn\cncstone.vn\web_module\web_About.aspx.cs:13
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4076.0