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The basic membership features are a remarkable time-saver. They allow you to concentrate on programming your web application, without worrying about managing security and crafting the perfect database or user information. Instead, you can use the higher-level Membership and MembershipUser classes to do everything you need. However, the ASP.NET membership feature doesn t stop there. Not only does the Membership class simplify common security tasks, it also standardizes them. As a result, other components and controls can use the Membership class to integrate themselves with the ASP.NET security model, without worrying about the specifics of each web application. You can

If your custom behavior must use a DataSource other than one available in the $model class object, then you must use the ConnectionManager utility to create an object of the DataSource. Listing 14-18 demonstrates the easiest way to do this. Listing 14-18. Using the ConnectionManager Utility to Instantiate a DataSource in a Behavior $db =& ConnectionManager::getDataSource($model->useDbConfig); Notice that Listing 14-18 used the parent model object; this can be done only if the behavior function using ConnectionManager has the &$model setting as its first parameter. With Listing 14-18, $db becomes the DataSource object to be used in the behavior. Just as the model uses a DataSource, the behavior can now work directly with the DataSource. For example, the behavior can invoke the XML DataSource you built earlier in the chapter with the following: $xml =& ConnectionManager::getDataSource($model->useDbConfig['xml']); and then run a find-all operation with the $xml->findAll() function.

find the best example of this new flexibility in ASP.NET s security controls. These controls interact with the membership provider using the methods of the Membership and MembershipUser classes to implement common bits of user interfaces such as a login page, a set of user creation controls, and a password recovery wizard. Table 21-5 lists all the ASP.NET security controls that work with membership. In Visual Studio, you can find these controls in the Login section of the Toolbox.

Displays the familiar user name and password text boxes, with a login button. Shows a login button, if the user isn t already logged in, that redirects the user to the configured login page. Otherwise, it displays a signout button. You can choose the test used for the login and sign-out buttons, but that s about it. Displays the user name of the logged-in user. Displays different content depending on whether the user is logged in. You can even use this control to show different content for different groups of users, or roles. Allows the user to request a password via e-mail or reset it. Typically, the user must supply the answer to the security question to get the password. Allows the user to set a new password (as long as the user can supply the current password). Allows a user to create a new record, complete with e-mail address and a password question and answer.

The fourth worksheet, labeled Staff Scheduling and partially shown in Figure 4-38, is a model that describes personnel scheduling for an amusement park. The goal for this model is to schedule employees working five consecutive days with two days off in such a way to meet demand from attendance levels while minimizing payroll costs. In this example, all employees are paid at the same rate, so by minimizing the number of employees working each day, you also minimize costs. Each employee works five consecutive days, followed by two days off.

There is a simple way and a complex way to use most of these controls. At their simplest, you merely drop the control on a page, without writing a line of code. (You saw this approach with the CreateUserWizard control at the beginning of this chapter.) You can also modify properties, handle events, and even create templates to customize these controls. In the following sections, you ll take a closer look at the Login, PasswordRecovery, and CreateUserWizard controls. And later, in the Role-Based Security section, you ll put the LoginView control to work to show different content to users in different roles.

The Tree behavior, as you probably noticed, performed some functions when the model saved tags. By simply providing the model with a parent_id value when saving a tag, the Tree behavior automatically assigned the record a parent value and ordered the tree. These kinds of automatic methods are performed when using certain callback functions in the behavior. In other words, for all saves that the parent model will perform, the behavior will execute the