public int themtienkham(TIENKHAMdto p)
 {
     int thamso = 2;
     string[] name = new string[thamso];
     object[] values = new object[thamso];
     name[0] = "@tien";
     name[1] = "@ngaysuatien";
     values[0] = p.Tien;
     values[1] = p.Ngaysuatien;
     return ketnoi.update("themtienkham", name, values, thamso);
 }
 public int themtienkham(TIENKHAMdto p)
 {
     return tk.themtienkham(p);
 }