>>In Solution Explorer under your project that contains EditForm open the References leaf. Is the Members.Library listed in the references.
>>
>>You indicated that it was, but I just want to make 100% sure that it really is there.
>>
>>If that's not it I'm having a tough time coming up with a reason why it's not in your intellisense list. Viv's idea may help.
>
>Yes, it's there. Here's a screenshot: http://www.samaansystems.com/images/Capture1.jpg MembersWpf is the WPF project with the reference to Members.Library. EditForm also exists in MembersWpf.
>
>I think there was a problem with the Members.Library namespace (see my reply to Viv), but I believe I have fid=xed that and I still have this error:
>
>The type reference cannot find a public type named 'Members.MembershipTypes'.
>
>This is the code that is causing the problem:
>
>

><local:EditForm x:Class="MembersWpf.MembershipTypesEdit"
>    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
>    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
>    xmlns:local="clr-namespace:MembersWpf"
>    xmlns:csla="clr-namespace:Csla.Wpf;assembly=Csla"
>    xmlns:Members="clr_namespace:Members.Library;assembly=Members.Library">
>    <local:EditForm.Resources>
>        <local:VisibilityConverter x:Key="VisibilityConverter" />
>        <csla:IdentityConverter x:Key="IdentityConverter" />
>        <csla:CslaDataProvider x:Key="MembershipTypeList"
>                           ObjectType="{x:Type Members.MembershipTypes}"
>                           FactoryMethod="GetMembershipTypes"
>                           IsAsynchronous="False"
>                           DataChanged="DataChanged"
>                           ManageObjectLifetime="True">
>        </csla:CslaDataProvider>
>        <csla:ObjectStatus x:Key="MembershipTypeListStatus"
>                       DataContext="{StaticResource MembershipTypeList}" />
>    </local:EditForm.Resources>
>

Looks like Viv has you on the right track.