http://weblogs.asp.net/owscott/archive/2005/08/19/Enabling-Roles-in-ASP.NET-v2.0.aspxBy default the Roles provider is defined in machine.config but it isn&#39;t enabled. Attempting to use the Roles feature before it is enabled will throw the following error: &quot; The Role Manager feature has not been enabled.&quot; It&#39;s easy toenCommunityServer 2007 SP1 (Build: 20510.895)http://weblogs.asp.net/owscott/archive/2005/08/19/Enabling-Roles-in-ASP.NET-v2.0.aspx#2997567Sun, 01 Jul 2007 22:47:03 GMTc06e2b9d-981a-45b4-a55f-ab0d8bbfdc1c:2997567Chris LivelyChris Lively<p>The easy way to pick a roleprovider at runtime is the following:</p> <p>RoleProvider rp = Roles.Providers[&quot;myroleprovider&quot;];</p> <p>then just use the rp object instead of the Roles static class.</p> <img src="http://weblogs.asp.net/aggbug.aspx?PostID=2997567" width="1" height="1">http://weblogs.asp.net/owscott/archive/2005/08/19/Enabling-Roles-in-ASP.NET-v2.0.aspx#478979Wed, 23 Aug 2006 17:22:09 GMTc06e2b9d-981a-45b4-a55f-ab0d8bbfdc1c:478979PrahaladPrahalad<p>How do i change the roleprovide at runtime? It is taking the default role providers but not the one that is required for the membership provider. I have 2 membership provider and 2 rolemanager providers, based on the membership provider rolemanager provider should also be changed dynamicaly.</p> <p>Could u please give solution or suggestions for the same.</p> <p>prahalad.keerni@prithvisolutions.com</p> <img src="http://weblogs.asp.net/aggbug.aspx?PostID=478979" width="1" height="1">