public void luuAnh_DAL(string ID, byte[] a)
{
using (imageEntities db = new imageEntities())
{
GiangVien img = (from c in db.GiangViens
where c.ID == ID
select c).SingleOrDefault();
img.Image = a;
db.SaveChanges();
}
}
public byte[] loadAnh(string ID)
{
using (imageEntities db = new imageEntities())
{
GiangVien img = (from c in db.GiangViens
where c.ID == ID
select c).SingleOrDefault();
if (img == null)
{
return(null);
}
else
{
return(img.Image.ToArray());
}
}
}