每次我使用Visual Studio进行调试时,都会出现以下错误信息:
在调用“WebSecurity”类的任何其他方法之前,必须先调用“WebSecurity.InitializeDatabaseConnection”方法。此调用应放置在站点根目录下的_AppStart.cshtml文件中。
但是这种情况发生在每一次调试时,且当我将应用程序部署到生产环境时,也会不定期出现此错误。
我确实已经放置了正确的标签:
[Authorize(Roles = "admin")]
[InitializeSimpleMembership]
public class IndexController : Controller
给控制器,这是筛选器的方式。它就是不想工作。
using System;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Threading;
using System.Web.Mvc;
using MeetingTaskManagement.Models;
using WebMatrix.WebData;
namespace MeetingTaskManagement.Filters
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
public sealed 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. For more information, please see http://go.microsoft.com/fwlink/?LinkId=256588", ex);
}
}
}
}
}
有人能帮我整理一下这个吗?