private void pairCustomer()
        {
            itemCustBLL uItemCust   = new itemCustBLL();
            itemCustDAL dalItemCust = new itemCustDAL();

            string cust = cmbCust.Text;

            if (cmbCat.Text.Equals("Part") && !string.IsNullOrEmpty(cust))
            {
                if (!IfExists(txtItemCode.Text, cmbCust.Text))
                {
                    uItemCust.cust_id                = Convert.ToInt32(tool.getCustID(cmbCust.Text));
                    uItemCust.item_code              = txtItemCode.Text;
                    uItemCust.item_cust_added_date   = DateTime.Now;
                    uItemCust.item_cust_added_by     = MainDashboard.USER_ID;
                    uItemCust.forecast_one           = 0;
                    uItemCust.forecast_two           = 0;
                    uItemCust.forecast_three         = 0;
                    uItemCust.forecast_current_month = DateTime.Now.ToString("MMMM");

                    bool success = dalItemCust.Insert(uItemCust);

                    if (!success)
                    {
                        //Failed to insert data
                        MessageBox.Show("Failed to add new item_cust record");
                    }
                }
                else
                {
                    MessageBox.Show("Data already exist.");
                }
            }
        }
        private void pairCustomer(string cust, string itemCode)
        {
            itemCustBLL uItemCust   = new itemCustBLL();
            itemCustDAL dalItemCust = new itemCustDAL();

            if (!tool.IfExists(itemCode, cust))
            {
                uItemCust.cust_id                = Convert.ToInt32(tool.getCustID(cust));
                uItemCust.item_code              = itemCode;
                uItemCust.item_cust_added_date   = DateTime.Now;
                uItemCust.item_cust_added_by     = MainDashboard.USER_ID;
                uItemCust.forecast_one           = 0;
                uItemCust.forecast_two           = 0;
                uItemCust.forecast_three         = 0;
                uItemCust.forecast_current_month = DateTime.Now.ToString("MMMM");

                bool success = dalItemCust.Insert(uItemCust);

                if (!success)
                {
                    //Failed to insert data
                    MessageBox.Show("Failed to add new item_cust record");
                }
            }
            else
            {
                MessageBox.Show("Data already exist.");
            }
        }
        private bool IfExists(string itemCode, string custName)
        {
            itemCustDAL dalItemCust = new itemCustDAL();
            DataTable   dt          = dalItemCust.existsSearch(itemCode, tool.getCustID(custName).ToString());

            if (dt.Rows.Count > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }