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 20: 	Sub Page_Load
Line 21: 	
Line 22: 			Dim nomePagina as string = Request.UrlReferrer.AbsolutePath
Line 23: 		Context.Items("nomePagina") = nomePagina.Replace("/", "")
Line 24: 	

Source File: D:\inetpub\webs\farmatuit\ordini.aspx    Line: 22

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.ordini_aspx.Page_Load() in D:\inetpub\webs\farmatuit\ordini.aspx:22
   System.Web.Util.CalliHelper.ArglessFunctionCaller(IntPtr fp, Object o) +8
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +8773843
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


Version Information: Microsoft .NET Framework Version:2.0.50727.9174; ASP.NET Version:2.0.50727.9175