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Object reference not set to an instance of an object and ceate userwizard

I customised the creare user wizard and added a Listbox on the page.
The listbox is populated by a dataset when the page is loaded. When I
try to submit i get an error. This error is due to the list box. Any
ideas why this may be so? The listbox is not added between the
CreateUserWizar dStep.
this is the code in the submit button

Protected Sub CreateUserWizar d1_CreatedUser( ByVal sender As
Object, ByVal e As System.EventArg s) Handles
CreateUserWizar d1.CreatedUser

Dim CheckBoxRoles As ListBox = _

CType(CreateUse rWizard1.Create UserStep.Conten tTemplateContai ner.FindControl ("CheckBoxRoles "),
ListBox)
Dim role_indices As Integer = CheckBoxRoles.G etSelectedIndic es

Dim rolesList(role_ indices.Length - 1) As String

For i As Integer = 0 To rolesList.Lengt h - 1
rolesList(i) = Me.CheckBoxRole s.SelectedItem. Value

Next
Roles.AddUserTo Roles(CreateUse rWizard1.UserNa me.ToString,
rolesList)
End Sub

May 13 '07 #1
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