您正在寻找:
db.Users.Attach(updatedUser);var entry = db.Entry(updatedUser);entry.Property(e => e.Email).IsModified = true;// other changed propertiesdb.SaveChanges();

您正在寻找:
db.Users.Attach(updatedUser);var entry = db.Entry(updatedUser);entry.Property(e => e.Email).IsModified = true;// other changed propertiesdb.SaveChanges();