與參數

Question

ASP.Net MVC的路由問題，這是我的操作方法：

public ActionResult Index(int SelectedID, int mode) 
{ 
    ViewModel viewModel = new ViewModel(); 
    viewModel.SelectedID = SelectedID; 
    viewModel.Mode = mode; 
    return View(viewModel); 
} 

這是我怎麼稱呼它：

localservername/DManager/DManager/Index?SelectedID=9306270318&Mode=DataManager 

而且我收到以下錯誤：

The parameters dictionary contains a null entry for parameter 'SelectedID' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Index(Int32, Int32)' in 'MscanES.Web.Areas.DManager.Controllers.DManagerController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters

無知..

Answer 1

C＃int（Int32）r ange是-2,147,483,648到2,147,483,647。您的號碼9,306,270,318顯然超出範圍，請改用Int64。