/// <summary>
        /// Saves the item policy
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_Click(object sender, EventArgs e)
        {
            var itm = new Items();
            var itmSup = new ItemSupplier();
            if (_itemId != 0)
                itm.LoadByPrimaryKey(_itemId);
            else
            {
                itm.AddNew();
                var prodCate = new ProductsCategory();
                prodCate.AddNew();
                prodCate.ItemId = itm.ID;
                prodCate.SubCategoryID = Convert.ToInt32(_categoryId);
                prodCate.Save();
            }
            //if (rdA.Checked || rdB.Checked || rdC.Checked)
            //    itm.ABC = ((rdA.Checked) ? 1 : (rdB.Checked) ? 2 : 3);

            //if (rdV.Checked || rdE.Checked || rdN.Checked)
            //    itm.VEN = ((rdV.Checked) ? 1 : (rdE.Checked) ? 2 : 3);

                itm.IsInHospitalList = ckExculed.Checked;
                //itm.NeedExpiryBatch = chkNeedExpiryBatch.Checked;

            string valid = ValidateFields();
            if (valid == "true")
            {
                itm.NeedExpiryBatch = chkNeedExpiryBatch.Checked;
                itm.StockCodeDACA = txtText.Text;
                itm.Cost = txtQuantityPerPack.Text;
                itm.Save();
            }

            else
            {
                XtraMessageBox.Show(valid, "Validation", MessageBoxButtons.OK, MessageBoxIcon.Stop);
                return;
            }

            //TODO: To add categories
            //Needs some modification on edit

            // this will only add the suppliers
            //do some thing on edit

            itmSup.DeleteAllSupForItem(itm.ID);
            Supplier sup = new Supplier();
            foreach (object t in lstSuppliers.CheckedItems)
            {
                sup.GetSupplierByName(t.ToString());
                itmSup.AddNew();
                itmSup.ItemID = itm.ID;
                itmSup.SupplierID = sup.ID;
                itmSup.Save();
            }

            var progItm = new ProgramProduct();
            progItm.DeleteAllProgramsForItem(_itemId);

            var prog = new Programs();
            //prog.AddNew();
            //prog.Name = cboPrograms.Text;
            //prog.Save();

            foreach (object t in lstPrograms.CheckedItems)
            {
                prog.GetProgramByName(t.ToString());
                progItm.AddNew();
                progItm.ItemID = itm.ID;
                progItm.ProgramID = prog.ID;
                progItm.Save();
            }

            var duItem = new DUsItemList();
            var dus = new ReceivingUnits();

            foreach (object t in lstDUs.CheckedItems)
            {
                dus.GetDUByName(t.ToString());
                duItem.AddNew();
                duItem.DUID = dus.ID;
                duItem.ItemID = _itemId;
                try
                {
                    duItem.Save();
                }
                catch
                {

                }
            }

            XtraMessageBox.Show("Item Detail is Saved Successfully!", "Confirmation", MessageBoxButtons.OK, MessageBoxIcon.Information);
            this.Close();
        }