ASP.NET MVC foreach with null para

foreach (var item in Model ?? Enumerable.Empty <ModelData>())
{
    ...
}

[MVC][Model] Account & AccountManage

Account
    create <- 呼叫 SqlAccountManage.create
    create <- 呼叫 OracleAccountManage.create
    create <- 呼叫 AccessAccountManage.create

SqlAccount
    internal create
    internal update

宣告 internal的函數, 只能夠過 Account.create呼叫