Object reference not set to an instance of an object - PageFlow.Navigate () method

Topics: Web Client Software Factory
Feb 14, 2007 at 4:49 AM
Source error
Line 57: {
Line 58: e.Authenticated = true;
Line 59: PageFlow1PageFlow.Navigate("eventDrivenActivity1");
Line 60: //HttpContext.Current.Response.Redirect("Default.aspx", true);
Line 61: }

Strack trace

NullReferenceException: Object reference not set to an instance of an object.
Microsoft.Practices.PageFlow.WorkflowFoundation.WorkflowFoundationPageFlow.Navigate(String transitionName) +75

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please, I am newbie and don't know how to debug or fix this problem. I have compared my application with PageFlowShoppingCart application (all is same) but my app has error but example is run well.
May 29, 2007 at 3:37 PM
Has anybody else experience this problem and resolve it? If so, do you mind posting the solution?

Thank you