如何在asp net mvc3中将值从局部视图传递到父视图

RKK*_*RKK 2 partial-views asp.net-mvc-3

我有一个母版页,其中3个局部视图渲染,它包含一个渲染体(内容占位符)的视图.

我试图将数据(任何字符串)从我的子视图传递到母版页上呈现的部分视图之一.为此,我正在使用,Viewbag但它不能访问父视图.

我的代码如下:

我的主页:[ Main_Layout.chtml]

<body>
    <div>
        @{Html.RenderAction("Header_PartialView", "Home");}
    </div>
    <div>
        <table cellpadding="0" cellspacing="0" width="100%">
            <tr valign="top">
                <td id="tdLeft" class="lftPanel_Con">
                    <div>
                        @{Html.RenderAction("LeftPanel_PartialView", "Home");}
                    </div>
                </td>
                <td id="tdRight" width="100%">
                    <div>
                        @RenderBody()
                    </div>
                </td>
            </tr>
        </table>
    </div>
    <!--start footer-->
    <div>
        @{Html.RenderAction("Footer_PartialView", "Home");}
    </div>
</body>
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我的孩子观点:[ TestPage1.chtml]

    @{
        ViewBag.Title = "TestPage1";
        Layout = "~/Views/Shared/Main_LayoutPage.cshtml";

        var test1 = ViewBag.testData1;
        var test2 = ViewData["testData2"];

    }

<h2>TestPage1</h2>
<div>This is only for testing</div>
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我的控制器代码:

public ViewResult TestPage1()
        {
            ViewBag.testData1 = "My first view bag data";
            ViewData["testData2"] = "My second view data";
            return View();
        }
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现在我想在Header_PartialView视图上访问我的TestPage的数据.

@{
    var test = ViewBag.testData1;
    var test2 = ViewData["testData2"];
 }
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Ole*_*Aza 5

要从Header_PartialView中的TestPage访问数据,您需要将其作为参数传递给Html.RenderAction()on,Main_LayoutPage.cshtml如下所示:

@{ var test = ViewBag.testData1; }
@{Html.RenderAction("Header_PartialView", "Home", new { test = test });}
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并且在Header_PartialView操作中添加参数string test并将其作为模型传递,因为布局中的ViewBag不会出现在此处.

public ActionResult Header_PartialView(string test)
{
    return View(model: test);
}
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然后Header_PartialView.cshtml你就得到了代码:

@model string

@{
    Layout = null;
}
<div>@Model</div>
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