public DoctorsPrescription Build(DoctorsPrescription dp, MUser user, Doctor doctor)
 {
     if(dp!=null)
     {
         dp.UserName = user.Name;
         dp.UserSurname = user.Surname;
         dp.DoctorName = doctor.Name;
         dp.DoctorSurname = doctor.Surname;
     }
     return dp;
 }
 private void TreeNodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
 {
     if (e.Node.Level == 0)
     {
         if(e.Node.Text == "doctor")
         {
            Doctor doctor = new Doctor(Connection);
            DataGrid.DataSource = doctor.GetData();
         }
     }
 }