private void Rpot_ReceivedStock_Load(object sender, EventArgs e)
        {
            dtpFrom = dateTimePicker_From;
            dtpTo   = dateTimePicker_to;
            cb_supp = cbxAddItemSupplier;


            DataSet        log = new DataSet();
            String         sql = "SELECT*FROM tbl_AddS_Supplier";
            SqlDataAdapter get = new SqlDataAdapter(sql, ConnectionDB.Connection());
            DataTable      ns  = new DataTable();

            get.Fill(ns);
            for (int i = 0; i < ns.Rows.Count; i++)
            {
                cbxAddItemSupplier.Items.Add(ns.Rows[i]["Business_Name"]);
            }



            pnl_Rpot_ReceiveS.Controls.Clear();
            Rpot_ReceiveStock1 rrecevi = new Rpot_ReceiveStock1();

            rrecevi.TopLevel = false;
            rrecevi.Visible  = true;
            pnl_Rpot_ReceiveS.Controls.Add(rrecevi);
        }
        private void btn_view_Click(object sender, EventArgs e)
        {
            pnl_Rpot_ReceiveS.Controls.Clear();
            Rpot_ReceiveStock1 rrecevi = new Rpot_ReceiveStock1();

            rrecevi.TopLevel = false;
            rrecevi.Visible  = true;
            pnl_Rpot_ReceiveS.Controls.Add(rrecevi);
        }