DataList各事件

protected void DataList1_EditCommand(object source, DataListCommandEventArgs e)
            {
            // Set the DataList's EditItemIndex property to the
            // index of the DataListItem that was clicked
            DataList1.EditItemIndex = e.Item.ItemIndex;
            // Rebind the data to the DataList
            DataList1.DataBind();
            }

 

protected void DataList1_CancelCommand(object source, DataListCommandEventArgs e)
            {
            // Set the DataList's EditItemIndex property to -1
            DataList1.EditItemIndex = -1;
            // Rebind the data to the DataList
            DataList1.DataBind();
            }

 

 

protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
            {
            // Read in the ProductID from the DataKeys collection
            int productID = Convert.ToInt32(DataList1.DataKeys[e.Item.ItemIndex]);
            // Read in the product name and price values
            TextBox productName = (TextBox)e.Item.FindControl("ProductName");
            TextBox unitPrice = (TextBox)e.Item.FindControl("UnitPrice");
            string productNameValue = null;
            if (productName.Text.Trim().Length > 0)
            productNameValue = productName.Text.Trim();
            decimal? unitPriceValue = null;
            if (unitPrice.Text.Trim().Length > 0)
            unitPriceValue = Decimal.Parse(unitPrice.Text.Trim(), System.Globalization.NumberStyles.Currency);
            // Call the ProductsBLL's UpdateProduct method...
            ProductsBLL productsAPI = new ProductsBLL();
            productsAPI.UpdateProduct(productNameValue, unitPriceValue, productID);
            // Revert the DataList back to its pre-editing state
            DataList1.EditItemIndex = -1;
            DataList1.DataBind();
            }

 

protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
            {
            // Read in the ProductID from the DataKeys collection
            int productID = Convert.ToInt32(DataList1.DataKeys[e.Item.ItemIndex]);
            // Delete the data
            ProductsBLL productsAPI = new ProductsBLL();
            productsAPI.DeleteProduct(productID);
            // Rebind the data to the DataList
            DataList1.DataBind();
            }