在我當前的項目中,我需要在表中寫入應用程序中的所有值。例如,該傢伙更新UserName,我需要在表中添加一個UserName舊值「1」新值「2」。檢測EntityFrameWork中的更改
我試過使用ObjectStateEntry,但是這返回所有字段。我認爲FW會全部歸因於我的代碼。
public USER Save(USER obj)
{
using(TPPTEntities db = new TPPTEntities())
{
db.Connection.Open();
USER o = (from n in db.USERs where n.ID == obj.ID select n).FirstOrDefault();
if (o == null)
{
o = new USER()
{
BruteForce = 0,
Email = obj.Email,
IsBlock = false,
LastLogin = DateTime.Now,
Name = obj.Name,
UserName = obj.UserName,
UserPassword = new byte[0],
};
db.AddToUSERs(o);
}
else
{
o.Email = obj.Email;
o.Name = obj.Name;
o.UserName = obj.UserName;
}
db.SaveChanges();
db.Connection.Close();
}
return obj;
}