1. CS 3870
Prog5
Shopping Bag

2. Prog 5 MainMasterPage Prog5MasterPage same as Prog4
Create a new master page

3. Prog 5 New folder Prog5 New pages Default.aspx Updating.aspx
Shoppin.aspx
Checkout.aspx
Then could copy content from Prog4
Modify as necessary

4. Prog 5 Do them after Shopping Bag is completed Main Web Site folder
Login.aspx
CreateUser.aspx
UserName: csse
Do them after Shopping Bag is completed

5. New Page Checkout Maintain a shopping bag for each session
Add items into the shopping bag when shopping
GridView to display all items in the shopping bag on checkout
Clear the bag when checkout

6. Shopping Bag Your Choice DataTable ArrayList
New class: in folder App_Code
. . .

7. Shopping Bag: Using DataTable
// SQLDataClass using System.Data; public static DataTable NewShoppingBag() { DataTable table = new DataTable(); table.Columns.Add("ProductID"); table.Columns.Add("ProductName"); table.Columns.Add("Quantity"); table.Columns.Add("UnitPrice"); table.Columns.Add("Cost"); table.PrimaryKey = new DataColumn[] { table.Columns[0] }; return table; }

8. Global.vb
void Session_Start(object sender, EventArgs e) { //Prog5 Session["Prog5_Bag"] = SQLDataClass.NewShoppingBag(); }

9. Page Shopping
//New Button “Add to Shopping Bag” //Adds the last calculated item to the shopping bag. protected void btnAddToBag_Click(object sender, EventArgs e) { DataTable bag = (DataTable) Session["Prog5_Bag"]; DataRow row = bag.NewRow(); row[0] = txtID.Text; row[1] = txtName.Text; row[2] = txtPrice.Text; row[3] = txtQuantity.Text; row[4] = txtSubTotal.Text; DataRow oldRow = bag.Rows.Find(row[0]); if (oldRow != null) bag.Rows.Remove(oldRow); bag.Rows.Add(row); }

10. Page Checkout
protected void Page_Load(object sender, EventArgs e) { GridView1.DataSource = (DataTable)Session["Prog5_Bag"]; GridView1.DataBind(); }

11. Page Checkout
protected void btnCheckout_Click(. . .) { // End the current session // will clear all session variables Session.Abandon(); // Logout of Membership FormsAuthentication.SignOut() // Go to Login.aspx // Response.Redirect("~/Login.aspx"); Response.Redirect(FormsAuthentication.LoginUrl); }