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
/// /// 栏目详细资料 /// /// /// public ActionResult ManageDetails(int id) { categoryRsy = new CategoryRepository(); var _node = categoryRsy.Find(id); if (_node == null) { Error _e = new Error { Title = "栏目不存在", Details = "栏目不存在", Cause = Server.UrlEncode("
栏目已经删除"), Solution = Server.UrlEncode("
返回栏目栏目管理") }; return RedirectToAction("ManageError", "Prompt", _e); } ModuleRepository _moduleRsy = new ModuleRepository(); var _modules = _moduleRsy.List(true); List
_slimodule = new List (_modules.Count()); foreach (Module _module in _modules) { if (_node.Model == _module.Model) _slimodule.Add(new SelectListItem { Text = _module.Name, Value = _module.Model, Selected = true }); else _slimodule.Add(new SelectListItem { Text = _module.Name, Value = _module.Model }); } ViewData.Add("Model", _slimodule); var _type = TypeSelectList; _type.SingleOrDefault(t => t.Value == _node.Type.ToString()).Selected = true; ViewData.Add("Type", _type); return View(_node); } 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
@model Ninesky.Models.Category@{ ViewBag.Title = "栏目信息"; Layout = "~/Views/Layout/_Manage.cshtml";} 栏目信息
@using (Html.BeginForm("ManageUpdate","Category")) { @Html.ValidationSummary(true)
}
@Html.Action("ManagePartialTree", "Category")
@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
/// /// 修改栏目信息 /// /// /// 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 { Title = "修改栏目成功", Details = "修改栏目成功!", DwellTime = 5, NavigationName = "栏目详细信息", NavigationUrl = Url.Action("ManageDetails", "Category", new { id = category.CategoryId }) }; return RedirectToAction("ManageNotice", "Prompt", _n); } else { Error _e = new Error { Title = "修改栏目失败", Details = "在修改栏目信息时,未能保存到数据库", Cause = "系统错误", Solution = Server.UrlEncode("
返回栏目详细资料页面,修改信息后重新操作联系网站管理员") }; return RedirectToAction("ManageError", "Prompt", _e); } }
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”
保存成功!
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代码包: