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    copied!<p>I would do that like this: </p> <ol> <li><p>Introduce an interface that will manage the connection strings:</p> <pre><code>public interface IConnectionStringManager { string GetConnectionString(); } </code></pre></li> <li><p>With the implementation that has IConfigurationProfileProvider injected into it:</p> <pre><code>public class ConnectionStringManager : IConnectionStringManager { private readonly IConfigurationProfileProvider&lt;CustomerProfile&gt; _configurationProfileProvider; public ConnectionStringManager(IConfigurationProfileProvider&lt;CustomerProfile&gt; configurationProfileProvider) { _configurationProfileProvider = configurationProfileProvider; } public string GetConnectionString() { return _configurationProfileProvider.GetProfile().CustomerDatabaseConnectionString; } } </code></pre></li> <li><p>Then inject IConnectionStringManager into CustomerDataContext and get the connection string.</p> <pre><code>public CustomerDataContext(IConnectionStringManager connectionStringManager) { var connectionString = connectionStringManager.GetConnectionString(); // pass the connectionString to your context } </code></pre></li> <li><p>And register ConnectionStringManager and CustomerDataContext as usual:</p> <pre><code>builder.RegisterType&lt;ConnectionStringManager&gt;().As&lt;IConnectionStringManager&gt;(); builder.RegisterType&lt;CustomerDataContext&gt;() .As&lt;ICustomerDataContext&gt;() .As&lt;IDbContext&gt;() .InstancePerDependency(); </code></pre></li> </ol> <p>BTW, Take a look at the <a href="http://code.google.com/p/autofac/wiki/MultitenantIntegration" rel="nofollow">Autofac Multitenant Integration</a> which could ease multitenant support.</p>
 

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