名「X509Certificate2UI」不在當前情況下存在

Question

是否使用X509Certificate2UI類在ASP淨MVC4應用程序任何人有問題

using System.Security.Cryptography.X509Certificates; 


private static X509Certificate2 PickCertificate(StoreLocation location, StoreName name) 
{ 

    try 
    { 
     store.Open(OpenFlags.ReadOnly); 
     //PROBLEM IS HERE 
     X509Certificate2 cert = X509Certificate2UI.SelectFromCollection(store.Certificates, "Caption", "Message", X509SelectionFlag.SingleSelection)[0]; 
} 
    catch (Exception) 
    {    
     throw; 
    } 
} 

它抱怨說沒有「X509Certificate2UI」在目前情況下 名無因爲班級在System.Security.Cryptography.X509Certificates;

Answer 1

您需要包含到你的項目爲System.Security.dll參考，因爲它 沒有在mscorlib組件包括在內，但在System.Security 組裝。