学习制作MVC4分页控件（下）_实用技巧_

 /// 
 /// 分页配置 /// 
 public class PagerConfig { /// 
 /// 当前页 /// 
 public int CurrentPage { get; set; } /// 
 /// 每页记录数 /// 
 public int PageSize { get; set; } /// 
 /// 总页数 /// 
 public int TotalPage { get { return (int)Math.Ceiling(TotalRecord / (double)PageSize); } } /// 
 /// 总记录数 /// 
 public int TotalRecord { get; set; } /// 
 /// 记录单位 /// 
 public string RecordUnit { get; set; } /// 
 /// 记录名称 /// 
 public string RecordName { get; set; } public PagerConfig() { CurrentPage = 1; PageSize = 20; RecordUnit = "条"; RecordName = "记录"; } } 

 /// 
 /// 栏目模型 /// 
 public class Category { [Key] [Display(Name = "栏目Id")] public int CategoryId { get; set; } /// 
 /// 栏目名称 /// 
 [Display(Name="栏目名称",Description="2-20个字符")] [Required(ErrorMessage="×")] [StringLength(50,ErrorMessage="×")] public string Name { get; set; } /// 
 /// 父栏目编号 /// 
 [Display(Name="父栏目")] [Required(ErrorMessage="×")] public int ParentId { get; set; } /// 
 /// 父栏目路径【根节点的值为0，子节点的值为：0,1,6,76】 /// 
 [Required()] public string ParentPath { get; set; } /// 
 /// 栏目类型【0-常规栏目；1-单页栏目；2-外部链接】 /// 
 [Display(Name="栏目类型")] [Required(ErrorMessage = "×")] public int Type { get; set; } /// 
 /// 内容模型【仅在栏目为普通栏目时有效】 /// 
 [Display(Name="内容模型")] [StringLength(50, ErrorMessage = "×")] public string Model { get; set; } /// 
 /// 栏目视图 /// 
 [Display(Name = "栏目视图", Description = "栏目页的视图，最多255个字符。。")] [StringLength(255, ErrorMessage = "×")] public string CategoryView { get; set; } /// 
 /// 内容页视图 /// 
 [Display(Name = "内容视图", Description = "内容页视图，最多255个字符。。")] [StringLength(255, ErrorMessage = "×")] public string ContentView { get; set; } /// 
 /// 链接地址 /// 
 [Display(Name="链接地址",Description="点击栏目时跳转到的链接地址,最多255个字符。")] [StringLength(255,ErrorMessage = "×")] public string LinkUrl { get; set; } /// 
 /// 栏目排序 /// 
 [Display(Name = "栏目排序", Description = "针对同级栏目,数字越小顺序越靠前。")] [Required(ErrorMessage = "×")] public int Order { get; set; } /// 
 /// 内容排序 /// 
 [Display(Name = "内容排序", Description = "栏目所属内容的排序方式。")] public int? ContentOrder { get; set; } /// 
 /// 每页记录数 /// 
 [Display(Name = "每页记录数", Description = "栏目所属内容的排序方式。")] public int? PageSize { get; set; } /// 
 /// 记录单位 /// 
 [Display(Name = "记录单位", Description = "记录的数量单位。如文章为“篇”；新闻为“条”。")] [StringLength(255, ErrorMessage = "×")] public string RecordUnit { get; set; } /// 
 /// 记录名称 /// 
 [Display(Name = "记录名称", Description = "记录的名称。如“文章”、“新闻”、“教程”等。")] [StringLength(255, ErrorMessage = "×")] public string RecordName { get; set; } public Category() { ParentPath = "0"; Type = 0; CategoryView = "Index"; ContentView = "Index"; Order = 0; ContentOrder = 1; PageSize = 20; RecordUnit = "条"; RecordName = "篇"; } } 

 @model Ninesky.Models.Category @{ ViewBag.Title = "ManageAdd"; Layout = "~/Views/Layout/_Manage.cshtml"; } 
添加栏目 
 @using (Html.BeginForm()) { @Html.ValidationSummary(true) 
栏目
 @Html.LabelFor(model => model.Type) 
 @Html.DropDownList("Type") @Html.ValidationMessageFor(model => model.Type) @Html.DisplayDescriptionFor(model => model.Type) 
 @Html.LabelFor(model => model.Name) 
 @Html.EditorFor(model => model.Name) @Html.ValidationMessageFor(model => model.Name) @Html.DisplayDescriptionFor(model => model.Name) 
 @Html.LabelFor(model => model.ParentId) 
 @Html.TextBoxFor(model => model.ParentId, new { @class = "easyui-combotree", data_options = "url:'" + Url.Action("JsonTreeParent", "Category") + "'" }) @Html.ValidationMessageFor(model => model.ParentId) @Html.DisplayDescriptionFor(model => model.ParentId) 
 @Html.LabelFor(model => model.Model) 
 @Html.DropDownList("Model") @Html.ValidationMessageFor(model => model.Model) @Html.DisplayDescriptionFor(model => model.Model) 
 @Html.LabelFor(model => model.CategoryView) 
 @Html.EditorFor(model => model.CategoryView) @Html.ValidationMessageFor(model => model.CategoryView) @Html.DisplayDescriptionFor(model => model.CategoryView) 
 @Html.LabelFor(model => model.ContentView) 
 @Html.EditorFor(model => model.ContentView) @Html.ValidationMessageFor(model => model.ContentView) @Html.DisplayDescriptionFor(model => model.ContentView) 
 @Html.LabelFor(model => model.LinkUrl) 
 @Html.EditorFor(model => model.LinkUrl) @Html.ValidationMessageFor(model => model.LinkUrl) @Html.DisplayDescriptionFor(model => model.LinkUrl) 
 @Html.LabelFor(model => model.Order) 
 @Html.EditorFor(model => model.Order) @Html.ValidationMessageFor(model => model.Order) @Html.DisplayDescriptionFor(model => model.Order) 
 @Html.LabelFor(model => model.ContentOrder) 
 @Html.DropDownList("ContentOrders") @Html.ValidationMessageFor(model => model.ContentOrder) @Html.DisplayDescriptionFor(model => model.ContentOrder) 
 @Html.LabelFor(model => model.PageSize) 
 @Html.EditorFor(model => model.PageSize) @Html.ValidationMessageFor(model => model.PageSize) @Html.DisplayDescriptionFor(model => model.PageSize) 
 @Html.LabelFor(model => model.RecordUnit) 
 @Html.EditorFor(model => model.RecordUnit) @Html.ValidationMessageFor(model => model.RecordUnit) @Html.DisplayDescriptionFor(model => model.RecordUnit) 
 @Html.LabelFor(model => model.RecordName) 
 @Html.EditorFor(model => model.RecordName) @Html.ValidationMessageFor(model => model.RecordName) @Html.DisplayDescriptionFor(model => model.RecordName) 
 } 
 @Html.Action("ManagePartialTree", "Category") 
 @section Scripts { @Scripts.Render("~/bundles/jqueryval") } 

 [AdminAuthorize] [HttpPost] public ActionResult ManageAdd(Category category) { //父栏目是否存在 if (categoryRsy.Find(category.ParentId) == null) ModelState.AddModelError("ParentId", "父栏目不存在。"); //ParentPath if (category.ParentId == 0) category.ParentPath = "0"; else category.ParentPath = categoryRsy.Find(category.ParentId).ParentPath + "," + category.ParentId; switch (category.Type) { case 0://常规栏目 if (string.IsNullOrEmpty(category.CategoryView)) ModelState.AddModelError("CategoryView", "×"); category.LinkUrl = null; if (!string.IsNullOrEmpty(category.Model)) { if (string.IsNullOrEmpty(category.ContentView)) ModelState.AddModelError("ContentView", "×"); if (category.ContentOrder == null) category.ContentOrder = 0; if (category.PageSize == null) category.PageSize = 20; if (string.IsNullOrEmpty(category.RecordUnit)) category.RecordUnit = "条"; if (string.IsNullOrEmpty(category.RecordName)) category.RecordName = "记录"; } else { category.ContentView = null; category.ContentOrder = null; category.PageSize = null; category.RecordUnit = null; category.RecordName = null; } break; case 1://单页栏目 if (string.IsNullOrEmpty(category.CategoryV
                
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