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 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());
}
}
