public Form1() { //create database instance database = new EntityFramework.phonebookEntities(); InitializeComponent(); }
public ActionResult Edit(string id, ContactInfo model) { //合法性验证 if (id.IsInt() == false || id == null) { return(Content("<script>alert('数据不存在或编辑错误');window.location='/CInfo/Index'</script>")); } phonebookEntities db = new phonebookEntities(); int iid = id.AsInt(); //TODO:第一种编辑方式 //var entity = db.ContactInfo.FirstOrDefault(c => c.ID == iid); //entity.ContactName = model.ContactName; //entity.CommonMobile = model.CommonMobile; //entity.GroupId = model.GroupId; //db.SaveChanges(); //TODO: 第二种编辑方式 model.ID = id.AsInt(); DbEntityEntry entry = db.Entry(model); entry.State = System.Data.EntityState.Unchanged; entry.Property("ContactName").IsModified = true; entry.Property("CommonMobile").IsModified = true; entry.Property("GroupId").IsModified = true; db.Configuration.ValidateOnSaveEnabled = false; //关闭检查 db.SaveChanges(); return(Content("<script>alert('编辑成功');window.location='/CInfo/Index'</script>")); }
public ActionResult Index() { phonebookEntities db = new phonebookEntities(); // select c.*,g.* from ContactInfo c, Left Join GroupInfo g on (c.GroupID=g.GroupID) where c.IsDelete=0 var list = db.ContactInfoes.Include("GroupInfo").Where(c => c.IsDelete == 0 && c.GroupId > 0).ToList(); return(View(list)); }
public ActionResult Edit(int id, ContactInfoView model) { //0.0 检查model实体的属性的合法性 if (ModelState.IsValid == false) { //验证失败,则应该跳转回edit.cshtml视图,同时增加一个错误提醒 SetGlist(); //向视图增加一个错误提醒,配合视图中的@Html.ValidateionSummary(true) 来使用 ModelState.AddModelError("", "实体验证失败,请检查"); return(View()); } try { //1.0 通过EF的推荐方式 ,先查在修改 phonebookEntities db = new phonebookEntities(); //var entity = db.ContactInfo.FirstOrDefault(c => c.ID == id); //entity.CommonMobile = model.CommonMobile; //entity.ContactName = model.ContactName; //entity.GroupId = model.GroupId; //db.SaveChanges(); //2.0 通过自定义实体的方式 ,先追加再修改状态 //补全id属性的值 model.ID = id; //update ContactInfo set CommonMobile=,ContactName=,GroupId where iD=1 //将model追加到EF容器中 ContactInfo entity = new ContactInfo() { ID = model.ID, GroupId = model.GroupId, ContactName = model.ContactName, CommonMobile = model.CommonMobile }; //将entity追加到EF容器中 System.Data.Entity.Infrastructure.DbEntityEntry enty = db.Entry(entity); //修改其状态 enty.State = System.Data.EntityState.Unchanged; //将要修改的属性的IsModified设置成true enty.Property("CommonMobile").IsModified = true; enty.Property("ContactName").IsModified = true; enty.Property("GroupId").IsModified = true; //关闭EF的实体检查 db.Configuration.ValidateOnSaveEnabled = false; //统一将sql语句发送给db执行 db.SaveChanges(); //直接跳转到 cinfo/index 页面 return(RedirectToAction("Index")); } catch (Exception ex) { SetGlist(); ModelState.AddModelError("", ex.Message); return(View()); } }
private void SetGlist() { phonebookEntities db = new phonebookEntities(); var glist = db.GroupInfoes.ToList(); SelectList slist = new SelectList(glist, "GroupId", "GroupName"); ViewBag.glist = slist; }
public ActionResult Add() { phonebookEntities db = new phonebookEntities(); //2.0 获取grouinfo的所有数据以ViewBag.glist ViewBag.glist = db.GroupInfoes.ToList(); return(View()); }
public ActionResult Add() { phonebookEntities db = new phonebookEntities(); var glist = db.GroupInfoes.ToList(); SelectList slist = new SelectList(glist, "GroupId", "GroupName"); ViewBag.glist = slist; return(View()); }
public ActionResult Index(FormCollection form) { //1.0 获取联系人表的所有数据 phonebookEntities db = new phonebookEntities(); var list = db.ContactInfoes.Include("GroupInfo").Where(c => c.IsDelete == 0 && c.GroupId > 0) .Select(c => new{ c.ContactName, c.CommonMobile, c.ID, c.GroupInfo.GroupName }).ToList(); //2.0 将联系人的数据集合以 {status:0,msg:"",datas:[{},{}]} return(Json(new { status = 0, msg = "ok", datas = list })); }
public ActionResult Delete(int id) { //1.0 物理删除 phonebookEntities db = new phonebookEntities(); ContactInfo model = new ContactInfo() { ID = id }; db.ContactInfoes.Attach(model); db.ContactInfoes.Remove(model); db.SaveChanges(); //2.0 返回json格式字符串给ajax异步对象 return(Json(new { status = 0, msg = "删除成功" })); }
public ActionResult Add(ContactInfo model) { //1.0 补全model中没有赋值,但是数据库中不允许有null值的字段 model.ContactId = "1"; model.Account = "123"; //2.0 实例化EF上下文对象 phonebookEntities db = new phonebookEntities(); //2.0.1 将model追加到EF容器中,并且将状态修改成added db.ContactInfoes.Add(model); //2.0.2 统一保存 db.SaveChanges(); return(Content("<script>alert('新增成功');window.location='/CInfo/Index'</script>")); }
public ActionResult Edit(string id) { //合法性验证 if (id.IsInt() == false || id == null) { return(Content("<script>alert('数据不存在或编辑错误');window.location='/CInfo/Index'</script>")); } //1.0 实例化EF上下文 phonebookEntities db = new phonebookEntities(); //2.0 获取grouinfo的所有数据以ViewBag.glist ViewBag.glist = db.GroupInfoes.ToList(); //3.0 int iid = id.AsInt(); var model = db.ContactInfoes.FirstOrDefault(c => c.ID == iid); return(View(model)); }
public ActionResult Edit(int id) { phonebookEntities db = new phonebookEntities(); //1.0 根据id加载老数据实体 var model = db.ContactInfoes.Where(c => c.ID == id) .Select(c => new ContactInfoView() { ContactName = c.ContactName , CommonMobile = c.CommonMobile , GroupId = c.GroupId }).FirstOrDefault(); //2.0 将GroupInfo中的所有数据以SelectList的形式通过ViewBag.glist 传入edit.cshtml SetGlist(); return(View(model)); }
// // GET: /CInfo/ public ActionResult Index() { //1.0 phonebookEntities db = new phonebookEntities(); var list = db.ContactInfoes .Include("GroupInfo") .Where(c => c.IsDelete == 0 && c.GroupId > 0) .Select(c => new ContactInfoView() { ID = c.ID, ContactName = c.ContactName, CommonMobile = c.CommonMobile , GroupInfo = new GroupInfoView() { GroupName = c.GroupInfo.GroupName } }).ToList(); return(View(list)); }
public ActionResult Add(ContactInfoView model) { System.Threading.Thread.Sleep(2000); //实际项目中不能这么做 //1.0 验证实体属性的值的合法性 if (ModelState.IsValid == false) { //PhoneBookEntities db = new PhoneBookEntities(); //var glist = db.GroupInfo.ToList(); //SelectList slist = new SelectList(glist, "GroupId", "GroupName"); //ViewBag.glist = slist; //return View(); return(Json(new { status = 1, msg = "实体属性值的合法性验证失败" })); } //2.0 try { ContactInfo entity = new ContactInfo() { Account = "1", ContactId = "1", CommonMobile = model.CommonMobile, ContactName = model.ContactName, GroupId = model.GroupId, IsDelete = 0 }; phonebookEntities db = new phonebookEntities(); db.ContactInfoes.Add(entity); //1、将entity追加到EF容器中, 2、修改状态类的状态为added db.SaveChanges(); return(Json(new { status = 0, msg = "新增成功" })); } catch (Exception ex) { return(Json(new { status = 1, msg = ex.Message })); } }
public ActionResult delete(string id) { //1.0 id的合法性验证 if (id.IsInt() == false || id == null) { return(Content("<script>alert('数据不存在或其他错误');window.location='/CInfo/Index'</script>")); } //2.0 将id对应的数据进行物理删除 ContactInfo model = new ContactInfo() { ID = id.AsInt() }; phonebookEntities db = new phonebookEntities(); db.ContactInfoes.Attach(model); db.ContactInfoes.Remove(model); db.SaveChanges(); return(Content("<script>alert('删除成功');window.location='/CInfo/Index'</script>")); }