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[英].Net 4.0 System.Web.Security.MembershipProvider ambiguous reference?
[英]Cannot implicitly convert type 'System.Web.Security.MembershipProvider' to 'WebMatrix.WebData.ExtendedMembershipProvider'
我的asp.net mvc Web應用程序具有以下插件:-
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Login(LoginModel model, string returnUrl)
{
ExtendedMembershipProvider domainProvider;
domainProvider = Membership.Providers["TestDomain1ADMembershipProvider"];
但是我收到以下錯誤:-
無法將類型'System.Web.Security.MembershipProvider'隱式轉換為'WebMatrix.WebData.ExtendedMembershipProvider'。 存在顯式轉換(您是否缺少演員表?)
錯誤消息說明了一切:“存在顯式轉換(您是否缺少演員表?)”:
ExtendedMembershipProvider domainProvider;
domainProvider = (ExtendedMembershipProvider)Membership.Providers["TestDomain1ADMembershipProvider"];
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