在 System.web.security 中找不到角色提供程序？

Question

I want to inherit the abstract class RoleProvider. However, I am getting errors saying that RoleProvider doesn't exist in the Web.Security namespace. This is what I am following - https://msdn.microsoft.com/en-us/library/system.web.security.roleprovider(v=vs.110).aspx

This is my class -

using System;
using System.Collections.Generic;
using System.Linq;


namespace blogging.Infrastructure
{
    public class RoleProvider:  System.Web.Security.RoleProvider
    {

    }
}

Answer 1

检查您的项目中是否有对 System.Web.ApplicationServices.dll 的引用。

Answer 2

Just change your class name.

See this example :

    public class AccountRoleProvider:  System.Web.Security.RoleProvider
    {

    }