public Tblphongban get_phongban_id(int id)
        {
            Tblphongban dv = new Tblphongban();

            using (sql_NCKHContext db = new sql_NCKHContext())
            {
                dv = db.Tblphongbans.SingleOrDefault(x => x.Id == id);
            }
            return(dv);
        }
 public bool create_phongban([FromBody] Tblphongban dv)
 {
     try
     {
         using (sql_NCKHContext db = new sql_NCKHContext())
         {
             db.Tblphongbans.Add(dv);
             db.SaveChanges();
             return(true);
         }
     }
     catch (Exception)
     {
         return(false);
     }
 }
 public bool delete_phongban(int id)
 {
     try
     {
         using (sql_NCKHContext db = new sql_NCKHContext())
         {
             Tblphongban d = db.Tblphongbans.SingleOrDefault(x => x.Id == id);
             if (string.IsNullOrEmpty(d.ToString()))
             {
                 return(true);
             }
             db.Tblphongbans.Remove(d);
             db.SaveChanges();
             return(true);
         }
     }
     catch (Exception)
     {
         return(false);
     }
 }
 public bool edit_phongban(int id, [FromBody] Tblphongban pb)
 {
     try
     {
         using (sql_NCKHContext db = new sql_NCKHContext())
         {
             Tblphongban d = db.Tblphongbans.SingleOrDefault(x => x.Id == id);
             if (string.IsNullOrEmpty(d.ToString()))
             {
                 return(false);
             }
             d.Tenphongban = pb.Tenphongban;
             d.Iddv        = pb.Iddv;
             db.SaveChanges();
             return(true);
         }
     }
     catch (Exception)
     {
         return(false);
     }
 }