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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0NullReference when deleting UserRoleNullReference when deleting UserRole
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12/15/2006 2:36 AM
 
Bradley Scott

www.spherenet.co.nz
Joined: 10/8/2003
Posts: 39
I am wanting to remove a User from any Role in a given RoleGroup in my module.
My code is below:

            Dim roleController As New DotNetNuke.Security.Roles.RoleController

            Dim roles As String() = roleController.GetRolesByUser(UserID, PortalID)

            For Each r As String In roles
                Dim role As DotNetNuke.Security.Roles.RoleInfo = roleController.GetRoleByName(PortalID, r)
                If role.RoleGroupID = RoleGroupID Then
                    roleController.DeleteUserRole(PortalID, UserID, RoleID)
                    End If
                End If
            Next

When it hits the line 'roleController.DeleteUserRole()', I get a NullReference exception even though the PortalID, UserID and RoleID are valid.
The exception is below:

System.NullReferenceException was unhandled by user code
  Message="Object reference not set to an instance of an object."
  Source="DotNetNuke.Provider.DNNProvider"
  StackTrace:
       at DotNetNuke.Security.Membership.DNNRoleProvider.RemoveUserFromRole(Int32 portalId, UserInfo user, UserRoleInfo userRole)
       at DotNetNuke.Security.Roles.RoleController.DeleteUserRole(Int32 PortalId, Int32 UserId, Int32 RoleId)
       at AMUNC.Modules.Accommodation.AccommodationController.UpdateAccommodationRole(Int32 PortalID, Int32 UserID, Int32 RoleID, Int32 RoleGroupID)

Any ideas on what is causing the exception?
 
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12/19/2006 4:40 PM
 
Bradley Scott

www.spherenet.co.nz
Joined: 10/8/2003
Posts: 39
My bad. I was passing in the wrong UserID value.
Now all I have to deal with is the caching of the user roles which seems to be causing problems....
 
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12/19/2006 5:49 PM
 
jasen fici

Joined: 6/17/2004
Posts: 10

If you figure the role caching issue out let me know.

We have to dynamically assign roles at login.. it works fine on some implementations, but on our win2003 box, the roles seem to be ignored.
 
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12/20/2006 4:28 AM
 
Bradley Scott

www.spherenet.co.nz
Joined: 10/8/2003
Posts: 39
The problem I am having is that I am adding users to roles programmatically, but then I need for tabs or modules to become visible based on membership in that new role.

This only happens after about 1 minute or so.
This post is dealing with a similar area: http://www.dotnetnuke.com/Community/ForumsDotNetNuke/tabid/795/forumid/111/threadid/83632/scope/posts/Default.aspx

It looks like

DataCache.RemoveCache("GetTabPermissionsByPortal" & PortalID.ToString

removes the caching of the results of the Stored procedure. I haven't tried this out yet on my code- but it might provide some answers.

Do let me know- and if anyone from Core or with more experience dealing with these issues knows- then their contribution would be appreciated.
 
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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0NullReference when deleting UserRoleNullReference when deleting UserRole


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