protected void sendMedicineButton_Click(object sender, EventArgs e)
 {
     sendMedicine = (SendMedicine)ViewState["SendMedicines"];
     messageLabel.Text = medicineManager.SaveAllSandMedicine(SendMedicines);
     ViewState.Clear();
 }
 private void ShowInGridView()
 {
     sendMedicine = (SendMedicine)ViewState["SendMedicines"];
     showMedicineGridView.DataSource = SendMedicines;
     showMedicineGridView.DataBind();
 }