private void PopulateFields()
        {
            // Bind the lookups first
            ABC abc = new ABC();
            abc.LoadAll();

            radioGroupABC.Properties.Items.Clear();
            while(!abc.EOF){
                radioGroupABC.Properties.Items.Add(new RadioGroupItem(abc.ID, abc.Description));
                abc.MoveNext();
            }

            radioGroupVEN.Properties.Items.Clear();
            VEN ven = new VEN();
            ven.LoadAll();
            while (!ven.EOF)
            {
                radioGroupVEN.Properties.Items.Add(new RadioGroupItem(ven.ID, ven.Description));
                ven.MoveNext();
            }

            if(itemId != 0)
            {
                Item itm = new Item();

                //itm.LoadByPrimaryKey(itemId);
                DataTable dtItem = itm.GetItemById(itemId);
                txtItemName.Text = itm.FullItemName;//String.Format("{0} - {1} - {2}", dtItem.Rows[0]["ItemName"], dtItem.Rows[0]["DosageForm"], dtItem.Rows[0]["Strength"]);
                ckExculed.Checked = (!itm.IsColumnNull("IsInHospitalList"))?itm.IsInHospitalList:false;

                chkProcessDecimal.Checked = (!itm.IsColumnNull("ProcessInDecimal")) ? itm.ProcessInDecimal : false;

                if (!itm.IsColumnNull("ABCID"))
                {
                    radioGroupABC.EditValue = itm.GetColumn("ABCID");
                }
                if (!itm.IsColumnNull("VENID"))
                {
                    radioGroupVEN.EditValue = itm.GetColumn("VENID");
                }

                Supplier sup = new Supplier();
                sup.LoadAll();
                ItemSupplier itmSup = new ItemSupplier();
                itmSup.GetSuppliersAndMarkThoseUsed(itemId);

                while(!itmSup.EOF)
                {
                    lstSuppliers.Items.Add(itmSup.GetColumn("CompanyName"),Convert.ToBoolean(itmSup.GetColumn("IsUsed")));
                    itmSup.MoveNext();
                }

                BLL.Program prog = new BLL.Program();
                prog.GetSubPrograms();
                ItemProgram progItem = new ItemProgram();
                lstPrograms.Items.Clear();
                foreach (DataRowView dv in prog.DefaultView)
                {
                    bool check = false;
                    check = progItem.CheckIfExists(itemId,Convert.ToInt32(dv["ID"]));
                    lstPrograms.Items.Add(dv["Name"],check);
                }
            }
        }
        private void cboPrograms_SelectedIndexChanged(object sender, EventArgs e)
        {
            lstPrograms.Items.Clear();
                BLL.Program prog = new BLL.Program();
                ItemProgram progItem = new ItemProgram();
            if (cboPrograms.SelectedValue != null)
            {

                prog.GetSubProgramsByParentId(Convert.ToInt32(cboPrograms.SelectedValue));

            }
            else
            {
                prog.GetSubPrograms();
            }
            foreach (DataRowView dv in prog.DefaultView)
            {
                bool check = false;
                check = progItem.CheckIfExists(itemId, Convert.ToInt32(dv["ID"]));
                lstPrograms.Items.Add(dv["Name"],check);
            }
        }