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我正在关注这个示例http://msdn.microsoft.com/en-us/library/ms998331.aspx但似乎在搞砸一些事情。

我不断得到

参数不正确。（来自 HRESULT 的异常：0x80070057 (E_INVALIDARG)）

抛出错误的行：

第 30 行：if (Roles.IsUserInRole("TestRole"))

堆栈跟踪：

[ArgumentException：参数不正确。（来自 HRESULT 的异常：0x80070057 (E_INVALIDARG)）]

[TargetInvocationException：调用的目标已引发异常。]
   System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32culture, String[] namedParameters) +0
   System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] 修饰符, CultureInfoculture, String[] namedParams) +337
   System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfoculture) +36
   System.Web.Security.AuthorizationStoreRoleProvider.CallMethod(Object objectToCallOn, String methodName, Object[] args) +183
   System.Web.Security.AuthorizationStoreRoleProvider.GetClientContextFromName（字符串用户名）+167
   System.Web.Security.AuthorizationStoreRoleProvider.GetClientContext(String userName) +70
   System.Web.Security.AuthorizationStoreRoleProvider.GetRolesForUserCore（字符串用户名）+59
   System.Web.Security.AuthorizationStoreRoleProvider.GetRolesForUser（字符串用户名）+72
   System.Web.Security.RolePrincipal.IsInRole（字符串角色）+164
   System.Web.Security.Roles.IsUserInRole（字符串用户名，字符串角色名称）+355
   System.Web.Security.Roles.IsUserInRole（字符串角色名称）+19
   _Default.ShowRoleMembership() 在 c:\projects\adamtest\Default.aspx.cs:30
   _Default.Page_Load(Object sender, EventArgs e) 在 c:\projects\adamtest\Default.aspx.cs:24
   System.Web.Util.CalliHelper.EventArgFunctionCaller（IntPtr fp，对象 o，对象 t，EventArgs e）+14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback（对象发送者，EventArgs e）+35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain（布尔includeStagesBeforeAsyncPoint，布尔includeStagesAfterAsyncPoint）+627

我从示例中复制的角色管理器配置

<roleManager
    enabled="true"
    cacheRolesInCookie="true"
    defaultProvider="RoleManagerAzManADAMProvider"
    cookieName=".ASPXROLES"
    cookiePath="/"
    cookieTimeout="30"
    cookieRequireSSL="true"
    cookieSlidingExpiration="true"
    createPersistentCookie="false"
    cookieProtection="All">

    <providers>
        <add name="RoleManagerAzManADAMProvider"
     type="System.Web.Security.AuthorizationStoreRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, 
             publicKeyToken=b03f5f7f11d50a3a"
             connectionStringName="AzManADAMServer"
             applicationName="AzManDemo"/>
      </providers>
    </roleManager>
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