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使用VS2013创建了MVC4项目以后，在filters中添加了类InitializeSimpleMembershipAttribute ，不能识别UserContext和WebSecurity，发现缺少WebMatrix.WebData的引用，在Nuget控制台中中运行：install-package Microsoft.AspNet.WebPages.Data即可添加，这样解决了WebSecurity的问题。对于UserContext，需要在model中添加一个AccountModel的类。
public class InitializeSimpleMembershipAttribute : ActionFilterAttribute
{
private static SimpleMembershipInitializer _initializer;
private static object _initializerLock = new object();
private static bool _isInitialized;
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Ensure ASP.NET Simple Membership is initialized only once per app start
LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
}
private class SimpleMembershipInitializer
{
public SimpleMembershipInitializer()
{
Database.SetInitializer<UsersContext>(null);
try
{
using (var context = new UsersContext())
{
if (!context.Database.Exists())
{
// Create the SimpleMembership database without Entity Framework migration schema
((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
}
}
WebSecurity.InitializeDatabaseConnection("DefaultConnection", "UserProfile", "UserId", "UserName", autoCreateTables: true);
}
catch (Exception ex)
{
throw new InvalidOperationException("The ASP.NET Simple Membership database could not be initialized.", ex);
}
}
}
}
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原文地址：http://www.cnblogs.com/csts/p/MVC.html
