private void BindingTypeBill()
        {
            var types = new StringNStringBindingData[]
            {
                new StringNStringBindingData("Tiền mặt", "cash"),
                new StringNStringBindingData("Thẻ", "credit"),
                new StringNStringBindingData("Online", "online")
            };

            typeColumn.DataSource    = types;
            typeColumn.DisplayMember = "Name";
            typeColumn.ValueMember   = "Value";
        }
        private void BindingOrderStatus()
        {
            var types = new StringNStringBindingData[]
            {
                new StringNStringBindingData("Hoàn thành", "complete"),
                new StringNStringBindingData("Hết hàng", "outofstock"),
                new StringNStringBindingData("Đang giao hàng", "shipping")
            };

            statusOrderComboBox.DataSource    = types;
            statusOrderComboBox.DisplayMember = "Name";
            statusOrderComboBox.ValueMember   = "Value";
        }
        private void BindingDebtStatus()
        {
            var types = new StringNStringBindingData[]
            {
                new StringNStringBindingData("Một phần", "apart"),
                new StringNStringBindingData("Hoàn thành", "finish"),
                new StringNStringBindingData("Quá hạng", "expired"),
                new StringNStringBindingData("Chưa thanh toán", "nopaid"),
            };

            statusDebtComboBox.DataSource    = types;
            statusDebtComboBox.DisplayMember = "Name";
            statusDebtComboBox.ValueMember   = "Value";
        }
        private void BindingType()
        {
            var types = new StringNStringBindingData[]
            {
                new StringNStringBindingData("Đơn hàng NCC", "vendororder"),
                new StringNStringBindingData("Đơn hàng khách hàng", "customerorder"),
                new StringNStringBindingData("Nợ NCC", "vendordebt"),
                new StringNStringBindingData("Nợ khách hàng", "customerdebt"),
                new StringNStringBindingData("Thanh toán NCC", "vendorbill"),
                new StringNStringBindingData("Thanh toán khách hàng", "customerbill"),
            };

            typeComboBox.DataSource    = types;
            typeComboBox.DisplayMember = "Name";
            typeComboBox.ValueMember   = "Value";
        }