I have an existing ASP.NET application that I'd like to integrate with DNN. I've moved all the database tables into the DNN db. I am displaying the other app within an iframe on a DNN page. How do I integrate the users so when you log into DNN you are also logged into the other app? Is it possible or do you have to convert the application to a module?

I realize this is probably not a simple answer, but any direction is appreciated.

Thanks,

Chad

Thanks Sebastian. A couple of clarifying questions:

1. By Microsoft membership block are you referring to the <membership> section of the web config file in the secondary application? So in the below just changing the connection string to be a the DNN connection string and the applicationName value to be "DotNetNuke" (which is what it is in the DNN application)? I've tried that. changed the application ID in the aspnet_users and memebership tables to match the DotNetNuke application ID. I can still login to the secondary app within the iframe of a DNN page, but attempting to use that login on DNN itself yeilds an unknown user. Similarly, registering a new user on DNN, that user is not recognized wheh I attempt to login with those credentials on the secondary app within the iframe??? If you are able to get this to work, when you authenticate on DNN, then try to access a page that requires you to be logged in on the secondary app, what does it check to know you are already logged on?

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membership userIsOnlineTimeWindow="20">providers>clear/>add connectionStringName="ConnectionString" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="true" applicationName="TestApplication" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="7" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" passwordStrengthRegularExpression="" name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>providers>membership>

2. What do you mean by a "Virtual Folder" within the DNN web site? An IIS Virtual Directory? Could you please clarify? 

3. I wanted the tables in the same DB in order to be able to have sql views that join with the aspnet_users table to display user name and for username to be able to be a WHERE condition for those views. I'd thinik you could do this in separate DBs but you have to do a few extra steps by first to get the User ID from Username and then query my child tables by userid. Am I missing something?

Thanks again,

Chad