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 17:         if (!IsPostBack)
Line 18:         {
Line 19:             prevPage = Request.UrlReferrer.ToString();
Line 20:             AJK_Entities Entidades = new AJK_Entities();
Line 21:             AJK_Dados dados = new AJK_Dados();

Source File: e:\home\ajkcasadoraspador\Web\Itens\Informacoes de Produtos.aspx.cs    Line: 19

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   Itens_Informacoes_de_Produtos.Page_Load(Object sender, EventArgs e) in e:\home\ajkcasadoraspador\Web\Itens\Informacoes de Produtos.aspx.cs:19
   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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


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