private void ValidateFields()
        {
            if (txtProductName.Text == "")
            {
                erpProductName.SetError(txtProductName, "This cannot be blank");
            }
            if (txtPrice.Text == "")
            {
                erpProductPrice.SetError(txtPrice, "This cannot be blank");
            }
            if (txtQuantity.Text == "")
            {
                erpQuantity.SetError(txtQuantity, "This cannot be blank");
            }
            if (txtInserBy.Text == "")
            {
                erpInsertBy.SetError(txtInserBy, "This cannot be blank");
            }
            if (txtInserDate.Text == "")
            {
                erpInsertDate.SetError(txtInserDate, "This cannot be blank");
            }


            else
            {
                BO.Product product = new BO.Product();
                product.ProductName = txtProductName.Text;
                product.Price       = decimal.Parse(txtPrice.Text);
                product.Quantity    = int.Parse(txtQuantity.Text);
                product.Insertby    = txtInserBy.Text;
                product.InserDate   = DateTime.Parse(txtInserDate.Text);

                var result = _productBll.ADD(product);

                if (result != 0)
                {
                    MessageBox.Show("Data inserted succesfully!!!");
                    Products products = new Products();
                    products.InitData();
                    this.Close();
                }
                else
                {
                    MessageBox.Show("Insert / FAil");
                }


                //products.Refresh();
                //products.Update();
            }
        }
        private void btnSave_Click(object sender, EventArgs e)
        {
            Product product = new Product();

            product.ProductID   = int.Parse(txtProductID.Text);
            product.ProductName = txtProductName.Text;
            product.Price       = decimal.Parse(txtPrice.Text);
            product.Quantity    = int.Parse(txtQuantity.Text);
            product.UpdatedBy   = txtUpdateBy.Text;
            product.UpdateDate  = DateTime.Parse(txtUpdateDate.Text);
            product.LastUpdate  = int.Parse(txtUpdateNo.Text);
            var result = bll.Modify(product);

            if (result != null)
            {
                Products products = new Products();
                products.InitData();
                MessageBox.Show("Data Updated Successfully");
                this.Close();
            }
        }