private void save_Click(object sender, EventArgs e)
        {
            if (isAdd)
            {
                if (Validator.IsPresent(prodNameTextBox) == true)
                {
                    Product newProduct = new Product // create product using provided data
                    {
                        ProdName = prodNameTextBox.Text
                    };
                    using (productsDataContext db = new productsDataContext())
                    {
                        try
                        {
                            // insert through data context object from the main form
                            db.Products.InsertOnSubmit(newProduct);
                            db.SubmitChanges(); // submit to the database
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show(prodNameTextBox.Text + " is already there");
                        }
                    }
                    DialogResult = DialogResult.OK;
                }
            }
            else
            {
                if (Validator.IsPresent(prodNameTextBox) == true)
                {
                    using (productsDataContext dbContext = new productsDataContext())
                    {
                        // get the product with id from the current text box
                        Product prod = dbContext.Products.Single(p => p.ProductId == currentProduct.ProductId);

                        if (prod != null)
                        {
                            // make changes by copying values from text boxes
                            prod.ProdName = prodNameTextBox.Text;
                            try
                            {
                                // submit changes
                                dbContext.SubmitChanges();
                                DialogResult = DialogResult.OK;
                            }
                            catch (Exception ex)
                            {
                                MessageBox.Show(ex.ToString());
                            }
                        }
                    }
                }
            }
        }
Пример #2
0
        private void update_Click(object sender, EventArgs e)
        {
            int     rowNum   = productDataGridView.CurrentCell.RowIndex;                             // index of the current row
            int     prodCode = (int)productDataGridView["dataGridViewTextBoxColumn1", rowNum].Value; // Column for ProductCode
            Product currentproduct;

            using (productsDataContext dbContext = new productsDataContext())
            {
                currentproduct = (from p in dbContext.Products
                                  where p.ProductId == prodCode
                                  select p).Single();
            }
            frmProductAddModfy newform = new frmProductAddModfy();

            newform.isAdd          = false;
            newform.currentProduct = currentproduct;
            DialogResult result = newform.ShowDialog();

            if (result == DialogResult.OK)
            {
                RefreshProducts();
            }
        }
Пример #3
0
        public void RefreshProducts()
        {
            productsDataContext db = new productsDataContext();

            productBindingSource.DataSource = db.Products;
        }