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我試圖用用Exention方法的IIdentity推廣的IIdentity
這裏是我的類:
public static class MyIdentity
{
public static string FullName(this IIdentity identity)
{
return "John Doe";
}
}
,我想用我的看法是這樣的:
@Context.User.Identity.FullName()
,但我得到了以下錯誤:
'System.Security.Principal.IIdentity' does not contain a definition for 'FullName' and no extension method 'FullName' accepting a first argument of type 'System.Security.Principal.IIdentity' could be found