从控制器访问视图中的会话（javascript）

这是我的控制器代码。我想在视图中获取会话中存储的值（javascript代码）

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

查看代码为：

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

     var amount='@Session["PromotionAmount"]';
     var id='@Session["TypeId"]';
     alert(amount)
     alert(id)

---

但是这个java脚本代码返回的是空字符串。如何在视图中检索会话值？提前感谢。

您可以将值放入ViewModel/ViewData中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

ViewData["hdnFieldValue"] = "some value";

使用隐藏字符串存储在HTML中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

@Html.Hidden("hdnField", ViewData["hdnFieldValue"], new {@id = "hdnField"})

然后在加载文档时通过JS检索

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

var myValue = document.GetElementById(hdnFieldValue)

---

可以将这些值放在ViewModel/ViewData中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

ViewData["hdnFieldValue"] = "some value";

使用隐藏字符串存储在HTML中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

@Html.Hidden("hdnField", ViewData["hdnFieldValue"], new {@id = "hdnField"})

然后在加载文档时通过JS检索

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

var myValue = document.GetElementById(hdnFieldValue)

---

可以将这些值放在ViewModel/ViewData中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

ViewData["hdnFieldValue"] = "some value";

使用隐藏字符串存储在HTML中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

@Html.Hidden("hdnField", ViewData["hdnFieldValue"], new {@id = "hdnField"})

然后在加载文档时通过JS检索

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

var myValue = document.GetElementById(hdnFieldValue)

---

可以将这些值放在ViewModel/ViewData中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

ViewData["hdnFieldValue"] = "some value";

使用隐藏字符串存储在HTML中

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

@Html.Hidden("hdnField", ViewData["hdnFieldValue"], new {@id = "hdnField"})

然后在加载文档时通过JS检索

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;

var myValue = document.GetElementById(hdnFieldValue)

---

代码没有问题。它会很好用的。我正在我的页面中使用。使用

Convert.ToString（会话[“值]）

。即使它不工作，检查天气会话是否有价值

该代码没有问题。它会很好用的。我正在我的页面中使用。使用

Convert.ToString（会话[“值]）

。即使它不工作，检查天气会话是否有价值

该代码没有问题。它会很好用的。我正在我的页面中使用。使用

Convert.ToString（会话[“值]）

。即使它不工作，检查天气会话是否有价值

该代码没有问题。它会很好用的。我正在我的页面中使用。使用

Convert.ToString（会话[“值]）

。即使它不工作，检查天气会话是否有价值

对我有用。你确定会话键有值吗？是的，我已经调试过了，这些会话键有值脚本是否恰好在一个单独的

.js

文件中（在这种情况下它不会工作）？对我有效。你确定会话键有值吗？是的，我已经调试过了，这些会话键有值脚本是否恰好在一个单独的

.js

文件中（在这种情况下它不会工作）？对我有效。你确定会话键有值吗？是的，我已经调试过了，这些会话键有值脚本是否恰好在一个单独的

.js

文件中（在这种情况下它不会工作）？对我有效。你确定会话键有值吗？是的，我已经调试过了，这些会话键有值脚本是否恰好位于一个单独的

.js

文件中（在这种情况下它不会工作）？

      decimal.TryParse(permotion.PROMOTION_AMOUNT.ToString(), out promotionAmount);
      int.TryParse(permotion.PROMOTION_TYPE_ID.ToString(CultureInfo.InvariantCulture),
                                    out promotionTypeId);
      Session["PromotionAmount"] = promotionAmount;
      Session["TypeId"] = promotionTypeId;