我有一个网格 View ，其中包含添加到工作站的项目。用户可以从下拉列表中选择一个项目，然后单击一个操作链接，该链接调用一个 Controller ，将该项目添加到工作站。我可以通过读取 Controller Post 操作中的 FormCollection 对象来使其工作。
<p>
<% using(Html.BeginForm("AddItem", "Home")) { %>
<label for="ItemID">Item:</label>
<%= Html.DropDownList("ItemID", Model.ItemsList) %>
<%= Html.Hidden("WorkstationID", Model.Workstation.RecordID) %>
<input type="submit" value="Submit" />
<% } %>
</p>
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult AddItem(FormCollection formValue)
{
long workstationId = Convert.ToInt64(formValue["WorkstationID"]);
long itemId = Convert.ToInt64(formValue["ItemID"]);
Workstation workstation = itilRepository.FindWorkstation(workstationId);
Item item = itilRepository.FindItem(itemId);
itilRepository.AddItem(workstation, item);
itilRepository.Save();
return Content("Item added successfully!");
}
我想要做的是能够使用 Ajax.ActionLink 将两个参数workstationId 和itemId 提交给 Controller ，并将添加的新项目插入到网格中。我正在像这样渲染网格:
<table>
<tr>
<th></th>
<th>
Name
</th>
<th>
Service Tag
</th>
<th>
Serial Number
</th>
</tr>
<% foreach (var item in Model.Items) { %>
<tr>
<td>
<%= Html.ActionLink("Edit", "ItemEdit", new { id = item.RecordID }) %> |
<%= Html.ActionLink("Details", "ItemDetails", new { id = item.RecordID })%>
</td>
<td>
<%= Html.Encode(item.Name) %>
</td>
<td>
<%= Html.Encode(item.ServiceTag) %>
</td>
<td>
<%= Html.Encode(item.SerialNumber) %>
</td>
</tr>
<% } %>
</table>
我遇到的问题是，当我使用 ActionLink 提交时，我不知道如何将参数传递给 Controller 以及如何在不重新加载整个 View 的情况下更新网格。
我真的很感激这方面的一些帮助，甚至是一个指向做类似事情的教程的链接。
谢谢!
这是工作版本，一个问题是当 Controller 返回部分 View 时，实际页面已经消失了。
<% using (Ajax.BeginForm("AddItem", null,
new AjaxOptions
{
UpdateTargetId = "ResultsGoHere",
InsertionMode = InsertionMode.Replace
},
new { @id = "itemForm" } ))
{ %>
<label for="ItemID">Item:</label>
<%= Html.DropDownList("itemId", Model.ItemsList) %>
<%= Html.Hidden("workstationId", Model.Workstation.RecordID) %>
<a href="#" onclick="$('#itemForm').submit();">Submit</a>
<div id="ResultsGoHere">
<% Html.RenderPartial("WorkstationItems", Model.Items); %>
</div>
<% } %>
不知道是什么原因，更换之前工作正常，但 Controller 没有得到下拉值。现在 Controller 正在获取值，但返回的部分 View 替换了整个页面。
Action 方法:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult AddItem(string workstationId, string itemId)
{
long lworkstationId = Convert.ToInt64(workstationId);
long litemId = Convert.ToInt64(itemId);
Workstation workstation = itilRepository.FindWorkstation(lworkstationId);
Item item = itilRepository.FindItem(litemId);
IQueryable<Item> items = itilRepository.AddItem(workstation, item);
itilRepository.Save();
return PartialView("WorkstationItems", items);
}
这是完成所有工作的 View 的 HTML:
<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<ITILDatabase.Models.WorkstationFormViewModel>" %>
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
Workstation Details
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<script src="/Scripts/MicrosoftAjax.js" type="text/javascript"></script>
<script src="/Scripts/MicrosoftMvcAjax.js" type="text/javascript"></script>
<link type="text/css" href="/../Content/css/ui-lightness/jquery-ui-1.7.2.custom.css" rel="stylesheet" />
<script type="text/javascript" src="/../Content/js/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="/../Content/js/jquery-ui-1.7.2.custom.min.js"></script>
<h2>
Workstation Details</h2>
<fieldset>
<legend>Fields</legend>
<p>
Record ID:
<%= Html.Encode(Model.Workstation.RecordID) %>
</p>
<p>
Name:
<%= Html.Encode(Model.Workstation.Name) %>
</p>
<p>
Description:
<%= Html.Encode(Model.Workstation.Description) %>
</p>
<p>
Site:
<%= Html.Encode(Model.Workstation.Site.Name) %>
</p>
<p>
Modified By:
<%= Html.Encode(Model.Workstation.ModifiedBy) %>
</p>
<p>
Modified On:
<%= Html.Encode(String.Format("{0:g}", Model.Workstation.ModifiedOn)) %>
</p>
<p>
Created By:
<%= Html.Encode(Model.Workstation.CreatedBy) %>
</p>
<p>
Created On:
<%= Html.Encode(String.Format("{0:g}", Model.Workstation.CreatedOn)) %>
</p>
</fieldset>
<fieldset>
<legend>People</legend>
<% Html.RenderPartial("WorkstationPeople", Model.People); %>
</fieldset>
<fieldset>
<legend>Positions</legend>
<% Html.RenderPartial("WorkstationPositions", Model.Positions); %>
</fieldset>
<fieldset>
<legend>Items</legend>
<% using (Ajax.BeginForm("AddItem", "Home", null,
new AjaxOptions
{
UpdateTargetId = "ResultsGoHere",
InsertionMode = InsertionMode.Replace
},
new { @id = "itemForm" } ))
{ %>
<label for="ItemID">Item:</label>
<%= Html.DropDownList("itemId", Model.ItemsList) %>
<%= Html.Hidden("workstationId", Model.Workstation.RecordID) %>
<a href="#" onclick="$('#itemForm').submit();">Submit</a>
<div id="ResultsGoHere">
<% Html.RenderPartial("WorkstationItems", Model.Items); %>
</div>
<% } %>
</fieldset>
<br />
<p>
<%=Html.ActionLink("Edit", "WorkstationEdit", new { id = Model.Workstation.RecordID }) %>
|
<%=Html.ActionLink("Back to List", "Index") %>
</p>
</asp:Content>
最佳答案
您期望 AJAX 调用的结果是什么？
您可以使用 AjaxHelper对象的辅助方法而不是 HtmlHelper呈现链接。例如，使用 AJAX HttpPOST 调用获取新内容并将其插入 <div> id 设置为 ResultsGoHere您呈现以下链接:
<%= Ajax.ActionLink("Edit", "ItemEdit",
new {
itemId = item.RecordId,
workstationId = myWorkStationId
},
new AjaxOptions {
HttpMethod="POST",
UpdateTargetId="ResultsGoHere",
InsertionMode = InsertionMode.Replace
}) %>
在您的
AcionMethod ，您可以简单地在 Request.IsAjaxRequest() 上进行测试决定返回什么:[AcceptVerbs(HttpVerbs.Post)]
public ActionResult ItemEdit(string itemId, string workstationId) {
// edit the item and get it back
if (Request.IsAjaxRequest()) {
return PartialView("SingleItem", item);
}
return RedirectToAction("ItemEdit", new { itemId = item.RecordId, workstationId = workstationId });
}
// fallback for get requests
public ActionResult ItemEdit(string itemId, string workstationId)
{
// do stuff and return view
}
关于asp.net-mvc - ASP.NET MVC 将数据从 View 传递到 Controller ，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/1013468/