i have 2 pages reg.aspx and home.aspx where in home.aspx page i have reg and signin link buttons and reg.aspx has a wizard control(consists of registration form, login form and forgot password form).
when i click on signin button it has to redirect to reg.aspx and in the wizard control step to has to be displayed. similarly with the register button.
i am trying to use previouspage property but i am getting error
System.NullReferenceException: Object reference not set to an instance of an object
please help me out.
thanks in advance