//
#region 类别列表
public ActionResult ClassList(string currentpage, long del = 0)
{
#region 翻页定义
ViewBag.CurrentPage = 0; //当前页
ViewBag.PPage = 0; //上一页
ViewBag.NPage = 0; //下一页
ViewBag.PageCount = 0; //总页数
ViewBag.RecordCount = 0; //记录总数
ViewBag.IsFirstPage = ""; //第一条记录，禁用首页和上一页
ViewBag.IsEndPage = ""; //最后条记录，禁用首页和下一页
#endregion
//
ViewBag.Headline = "类别管理";//栏目主题
//
ViewBag.DataList = null;
ViewBag.RecordItem = null;
ViewBag.Operate = "add"; //add添加；edit编辑取出数据；editsave编辑保存
//
StatusData myStatusData = new StatusData(); //返回状态
//
using (chefuzi_dataEntities myOperating = new chefuzi_dataEntities()) //数据库操作
{
#region 除
if (del > 0)
{
Child_Video_Class myDelRecord = myOperating.Child_Video_Class.FirstOrDefault(p => p.ClassId == del);
if (myDelRecord != null)
{
FunctionClass.delFile(myDelRecord.ClassImage);
myOperating.Child_Video_Class.Remove(myDelRecord);
myOperating.SaveChanges();
}
}
#endregion
//
#region 翻页属性
int recordCount = 0;
int pageCount = 0;
string orderbyfiled = "OrderBy";
//
//当前页
int sqlCurrentpage = 1;
if (!String.IsNullOrWhiteSpace(currentpage))
{
bool isOk = int.TryParse(currentpage, out sqlCurrentpage);
if (!isOk)
{
sqlCurrentpage = 1;
}
}
//页大小
int sqlPagesize = 10;
#endregion
//
#region 取出内容
IQueryable <Child_Video_Class> myIQueryable = null;
myIQueryable = myOperating.Child_Video_Class;
//
if (myIQueryable != null)
{
List <Child_Video_Class> BookTable = QueryableExtensions.OrderBy(myIQueryable, orderbyfiled, out recordCount, out pageCount, ref sqlCurrentpage, sqlPagesize, true).ToList();
//
ViewBag.DataList = BookTable;
#region 页数取值
ViewBag.CurrentPage = sqlCurrentpage;
ViewBag.PageCount = pageCount;
ViewBag.RecordCount = recordCount;
if (sqlCurrentpage > 1)
{
ViewBag.PPage = sqlCurrentpage - 1;
}
else
{
ViewBag.IsFirstPage = "disabled";
ViewBag.PPage = 1;
}
if (sqlCurrentpage < pageCount)
{
ViewBag.NPage = sqlCurrentpage + 1;
}
else
{
ViewBag.NPage = sqlCurrentpage;
ViewBag.IsEndPage = "disabled";
}
#endregion
}
#endregion
}
return(View());
}
//
#region 类别添加-编辑
public ActionResult ClassAdd(VideoClassModel model, string ReturnUrl, Nullable <int> myid = 0)
{
#region 获取来路路径
if (System.Web.HttpContext.Current.Request.UrlReferrer != null)
{
ViewBag.ReturnUrl = System.Web.HttpContext.Current.Request.UrlReferrer.PathAndQuery;
}
#endregion
ViewBag.Headline = "类别添加"; //栏目主题
ViewBag.ButtonValue = "添加"; //按钮名称
using (chefuzi_dataEntities myOperating = new chefuzi_dataEntities()) //数据库操作
{
if ((myid > 0) && (model.ClassId == null))
{
int mySelfId = 0;
int.TryParse(myid.ToString(), out mySelfId);
ViewBag.Headline = "类别编辑";
ViewBag.ButtonValue = "修改";
model.Operate = "edit";
//
#region 取出数据
Child_Video_Class editRecord = myOperating.Child_Video_Class.FirstOrDefault(p => p.ClassId == mySelfId);
if (editRecord != null)
{
model.ClassId = editRecord.ClassId;
model.ClassTitle = editRecord.ClassTitle;
model.OrderBy = editRecord.OrderBy;
}
#endregion
}
else if (model.Operate == "add")
{
#region 保存添加
if (ModelState.IsValid)
{
Child_Video_Class addRecord = new Child_Video_Class();
addRecord.ClassId = int.Parse(model.ClassId.ToString());
addRecord.ClassTitle = model.ClassTitle;
addRecord.AddDate = DateTime.Now;
addRecord.OrderBy = model.OrderBy;
addRecord.Status = 200;
//
myOperating.Child_Video_Class.Add(addRecord);
myOperating.SaveChanges();
model = null;
//
return(RedirectToLocal(ReturnUrl));
}
else
{
ModelState.AddModelError("", "输入错误");
}
#endregion
}
else if (model.Operate == "edit")
{
#region 保存编辑
if (ModelState.IsValid)
{
Child_Video_Class editSaveRecord = myOperating.Child_Video_Class.FirstOrDefault(p => p.ClassId == model.ClassId);
if (editSaveRecord != null)
{
editSaveRecord.ClassTitle = model.ClassTitle;
editSaveRecord.OrderBy = model.OrderBy;
//
myOperating.SaveChanges();
//
return(RedirectToLocal(ReturnUrl));
}
}
else
{
ModelState.AddModelError("", "输入错误");
}
#endregion
}
else
{//初次加载，默认值
model.Operate = "add";
#region 默认值
try
{
model.ClassId = myOperating.Child_Video_Class.Max(p => p.ClassId) + 1;
model.OrderBy = myOperating.Child_Video_Class.Max(p => p.OrderBy) + 1;
}
catch
{
model.ClassId = 1;
model.OrderBy = 0;
}
if (model.ClassId == null)
{
model.ClassId = 1;
}
if (model.OrderBy == null)
{
model.OrderBy = 1;
}
#endregion
}
}
//
return(View(model));
}