你即將離開本站

並前往https://social.msdn.microsoft.com/Forums/en-US/5510a141-df80-452c-bf24-7175784bd506

How to check if Session[“abc”] or viewdata[“abc”] is empty or ...

Session return null when empty, so the best way is: MyDataType x = Session["abc"] as MyDataType;. if (x != null)........

確定！ 回上一頁

查詢 「If viewdata」的人也找了：

  1. If viewdata
    2.
  2. C# ViewData
    3.
  3. MVC if
    4.
  4. Razor ViewData
    5.
  5. @If viewbag
    6.
  6. Asp net Core ViewData
    7.
  7. ViewData boolean
    8.
  8. ViewBag null
    9.