I've had at least one time when I had to reference the applicable DLL, on top of adding the using. Don't know whether that would help.

>Yes. I also lost reference to the
>using OakLeaf.MM.Main.Data;
>
>I now error on this line? Oh well we finished this app last week, but I know that I'll get called back on adding to it.
>
>__Stephen
>
>>Sounds as if it that page doesn't have a reference to mmUser. Do you have this toward the top (assuming C#)?
>>
>>

>>using OakLeaf.MM.Main.Security;
>>

>>
>>>C:\Inetpub\wwwroot\mmJumpStart\Admin\ControlSecurityConfiguration.aspx.cs(28): The type or namespace name
>> 'mmUser' could not be found (are you missing a using directive or an assembly reference?)
>>>
>>>This is what I get in a rebuild.