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EventName ' Session_OnStart
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Description Runs the first time a user runs any page in your application 1 Session_OnEnd Runs when a user's session times out or quits your ' application 'Application_OnStart Runs once when the first page of your application is run for the first time by any user ' Application_OnEnd Runs once when the web server shuts down
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</SCRIPT> Index, asp produces the default home page of the web site Register asp is the module used for anything related to user registration It starts by checking if the session is active Then it defines a function to handle selected check box items
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Session("SessionActive") <> "True" then ResponseRedirect "Indexasp" End If Function conv_checkbox(ByVal this_item) If IsNull(this_item) or IsEmpty(this_item) or Len(this_item) = 0 then conv_checkbox = 0 Else If this_item = 1 then conv_checkbox = 1 Else this_item = 0 End If End If End Function
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ASP Pizzas to JSP
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It continues by setting a connection to the database:
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Set epizza_conn = ServerCreateObject("ADODBConnection") epizza_connOpen Seesion("connstring")
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Then the code initializes the necessary variables: Q Q Q When used with no parameters and there is a user identification (obtained from the cookie), only the password is requested In mode new, it is used to handle the registration of a new user In mode registered, it is used to obtain the information about a registered user either as a new connection or to allow switching users within a session
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The main menu (menu asp) is responsible for presenting all of the items the customer can select It creates the contents of this page dynamically by reading all of the information from the database, namely the pizza, toppings, and beverages tables This is done for every session:
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If Session) "SessionActive" ) <> "True" then Response Redirect "Index asp" End If Creating the Connection with the database Set epizza_conn = Server CreateObject ( "ADODB Connection" ) epizza_connOpen Session ( " conns tr ing" ) Retrieving the recordset with the list and prices of all the available ' pizzas StrSQL = " Select Pizza_Id, ShortDesc, LongDesc, Sprice, Mprice, " & _ " LPrice from Pizza where ActiyeRecord = 1 " Set pizza_info =epizza_conn Execute (strSQL) Retrieving the recordset with the list and prices of all the available beverages StrSQL = " Select beverage_Id, Description, LiterPrice, CanPrice from" & _ " beverages where ActiveRecord = 1" Set beverage_info =epizza_conn Execute (strSQL)
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' Retrieving the recordset with the list and prices of all the available ' Toppings StrSQL = " Select topping_id, topping_description from toppings" " where ActiveRecord = 1" Set topping_info =epizza_conn Execute (strSQL) ' This variable defines the maximum number of available custom_pizzas = Session ( "Custom_Pizzas" ) customized pizzas
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If the action selected by the customer is to submit an order, then it goes through the list of pre-defined pizzas placing the selected ones in the corresponding shopping cart as can be seen in this code snippet:
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If RequestForm("Action") = "submit_order" Then ' First, we're going through the list of pre-defined pizzas pizza_infoMoveFirst Do While Not pizza_infoEOF this_pizzaID = "pizzaID_" & pizza_info("Pizza_id") this_pizzaSize = "PizzaSize_" & pizza_info("Pizza_id") If Not (IsEmpty(RequestForm(this_pizzaID)) or IsNull(RequestForm(this_pizzaID)) or len(RequestForm(this_pizzaID)) = 0) Then If int(RequestForm(this_pizzaID)) > 0 Then Call AddToDPizza_Cart(pizza_info("Pizza_id"), _ RequestForm(this_pizzaID), _ RequestForm(this_pizzaSize), _ pizza_info("ShortDesc")) End If End If pizza_infoMoveNext Loop pizza_infoMoveFirst
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It does the same for the customized pizzas and the beverage list The HTML section of this module is used to display the pizzas and beverages The following code fragment shows how the custom pizzas are displayed:
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<%cpizzas_toppings_scart = Session("cpizzas_toppings_scart")%>
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<p align="center" style="margin-left: 0; margin-top: 5; margin-bottom: 5"> <bxfont size="5">Make your own pizza</fontx/b> </p> <table border="0" cellspacing="l" width="100%" BGCOLOR="#660000" cellpadding="3"> <tr> <td width="13%" BGCOLOR="#660000" align=center> <p align="center"xfont size="2" color="#FFFFFF"> <b>Quantity</b></fontx/p> </td> <td width="20%" BGCOLOR=" 660000" align=center> <p align="center"xfont size="2" color="#FFFFFF"> <b>Size</bx/fontx/p> </td> <td width="67%" BGCOLOR="#660000" align=center> <p align="center"xfont size="2" color="#FFFFFF"> <b>Description</b></ f ontx/p> </td> </tr> <%For custom_pizza_index = 1 to custom_pizzas
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