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服务器之家 - 编程语言 - ASP.NET教程 - MVC4制作网站教程第四章 更新栏目4.3

MVC4制作网站教程第四章 更新栏目4.3

2020-03-22 16:19洞庭夕照 ASP.NET教程

这篇文章主要为大家详细介绍了MVC4制作网站教程，更新栏目功能实现代码，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

序
 一、用户
 二、用户组
 三、栏目
3.1添加栏目
3.2浏览栏目 
3.3更新栏目 

上次在树形列表里面点击栏目名称后跳转到详细信息页面~/Category/ManageDetails/id。在详细页面里点修改，来完成栏目资料修改。

 先打开【CategoryController】添加[ManageDetails(int id)]action 

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/// <summary>
    /// 栏目详细资料
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public ActionResult ManageDetails(int id)
    {
      categoryRsy = new CategoryRepository();
      var _node = categoryRsy.Find(id);
      if (_node == null)
      {
        Error _e = new Error { id="codetool">

代码先是看栏目是否存在，不存在跳转到错误页面，后面是添加"Model“和“Type”的ViewData
右键添加强类型视图ManageDetails.cshtml,内容基本与ManageAdd.cshtml类似 

 

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@model Ninesky.Models.Category
 
@{
  ViewBag.Title = "栏目信息";
  Layout = "~/Views/Layout/_Manage.cshtml";
}
 
<div class="workspace">
  <div class="inside">
    <div class="notebar">
      <img alt="" src="~/Skins/Default/Manage/Images/Category.gif" />栏目信息
    </div>
 
    @using (Html.BeginForm("ManageUpdate","Category"))
    {
      @Html.ValidationSummary(true)
 
      <fieldset>
        <legend>详细资料</legend>
        <ul>
          @Html.HiddenFor(model => model.CategoryId)
          <li>
            <div class="editor-label">
              @Html.LabelFor(model => model.CategoryId)
            </div>
            <div class="editor-field">
              @Html.DisplayTextFor(model => model.CategoryId)
            </div>
          </li>
          <li>
            <div class="editor-label">
              @Html.LabelFor(model => model.Name)
            </div>
            <div class="editor-field">
              @Html.EditorFor(model => model.Name)
              @Html.ValidationMessageFor(model => model.Name)
            </div>
          </li>
          <li>
            <div class="editor-label">
              @Html.LabelFor(model => model.ParentId)
            </div>
            <div class="editor-field">
              @Html.TextBoxFor(model => model.ParentId, new { @class = "easyui-combotree", data_options = "url:'" + Url.Action("JsonTreeParent", "Category") + "'" })
              @Html.ValidationMessageFor(model => model.ParentId)
            </div>
          </li>
          <li>
            <div class="editor-label">
              @Html.LabelFor(model => model.Type)
            </div>
            <div class="editor-field">
              @Html.DropDownList("Type")
              @Html.ValidationMessageFor(model => model.Type)
            </div>
          </li>
          <li id="li_model">
            <div class="editor-label">
              @Html.LabelFor(model => model.Model)
            </div>
            <div class="editor-field">
              @Html.DropDownList("Model")
              @Html.ValidationMessageFor(model => model.Model)
            </div>
          </li>
          <li id="li_categoryview">
            <div class="editor-label">
              @Html.LabelFor(model => model.CategoryView)
            </div>
            <div class="editor-field">
              @Html.EditorFor(model => model.CategoryView)
              @Html.ValidationMessageFor(model => model.CategoryView)
            </div>
          </li>
          <li id="li_contentview">
            <div class="editor-label">
              @Html.LabelFor(model => model.ContentView)
            </div>
            <div class="editor-field">
              @Html.EditorFor(model => model.ContentView)
              @Html.ValidationMessageFor(model => model.ContentView)
            </div>
          </li>
          <li id="li_nav">
            <div class="editor-label">
              @Html.LabelFor(model => model.Navigation)
            </div>
            <div class="editor-field">
              @Html.EditorFor(model => model.Navigation)
              @Html.ValidationMessageFor(model => model.Navigation)
            </div>
          </li>
          <li>
            <div class="editor-label">
              @Html.LabelFor(model => model.Order)
            </div>
            <div class="editor-field">
              @Html.EditorFor(model => model.Order)
              @Html.ValidationMessageFor(model => model.Order)
            </div>
          </li>
          <li>
            <div class="editor-label">
              <input id="Submit1" type="submit" value="修改" />
            </div>
            <div class="editor-field">
              
            </div>
            
          </li>
        </ul>
      </fieldset>
    }
  </div>
</div>
<div class="left">
  <div class="top"></div>
  @Html.Action("ManagePartialTree", "Category")
</div>
<div class="split"></div>
<div class="clear"></div>
<script type="text/javascript">
  Details();
  $("#Type").change(function () {
    Details();
  });
  function Details() {
    var v = $("#Type").val();
    if (v == "0") {
      $("#li_model").show();
      $("#li_categoryview").show();
      $("#li_contentview").show();
      $("#li_nav").hide();
      $("#Navigation").val("");
    }
    else if (v == "1") {
      $("#li_model").hide();
      $("#li_categoryview").show();
      $("#li_contentview").hide();
      $("#ContentView").val("");
      $("#li_nav").hide();
      $("#Navigation").val("");
    }
    else if (v == "2") {
      $("#li_model").hide();
      $("#li_categoryview").hide();
      $("#CategoryView").val("");
      $("#li_contentview").hide();
      $("#ContentView").val("");
      $("#li_nav").show();
    }
  }
</script>
@section Scripts {
  @Styles.Render("~/EasyUi/icon")
  @Scripts.Render("~/bundles/EasyUi")
  @Scripts.Render("~/bundles/jqueryval")
}

注意的是 @using (Html.BeginForm("ManageUpdate","Category"))这句；表示点修改按钮的后是向ManageUpdate提交数据。下面开始做这个action 

在【CategoryController】里添加httppost方式的[ManageUpdate]action 

 

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/// <summary>
    /// 修改栏目信息
    /// </summary>
    /// <param name="category"></param>
    /// <returns></returns>
    public ActionResult ManageUpdate(Category category)
    {
      switch (category.Type)
      {
        case 0:
          category.Navigation = "";
          break;
        case 1:
          category.Model = "";
          category.ContentView = "";
          category.Navigation = "";
          break;
        case 2:
          category.Model = "";
          category.CategoryView = "";
          category.ContentView = "";
          break;
      }
      categoryRsy = new CategoryRepository();
      if (categoryRsy.Update(category))
      {
        Notice _n = new Notice { id="codetool">

很简单，首先是判断栏目类型，根据栏目类型清除无关数据，然后将修改保存到数据库。
试一下将“测试栏目”改成“公司简介” 

MVC4制作网站教程第四章 更新栏目4.3

保存成功！

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：http://www.cnblogs.com/mzwhj/archive/2012/11/29/2794465.html

  • MVC4
  • 制作网站教程

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