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Wrox Professional Web Parts and Custom Controls with ASP.NET 2.0 phần 2

Nhằm đáp ứng nhu cầu phát triển các ứng dụng cho thiết bị di động của môi trường doanh nghiệp, Microsoft sẽ tích hợp .NET Compact Framework và Smart Device Extensions vào Visual Studio "Everett". Sản phẩm này cho phép các lập trình viên Visual Studio sử dụng những kỹ năng sẵn có để xây dựng ứng dụng cho các thiết bị di động thông minh như Pocket PC 2002 hay những thiết bị chạy hệ điều hành Windows CE .NET | Chapter 1 Listing books One control might provide a single column with limited options for sorting the list another control could support complex sorting options another control might format the user into a rigid grid format with a single line for each book and yet another control might allow the list to snake through multiple columns allowing more books to be listed on a page. Displaying book information Different controls might vary in the amount of information displayed about a book or which information stands out. One control might be formatted so that information about book size and weight stands out for retail buyers concerned about reducing shipping costs information that the typical reader isn t interested in. With those controls created you could add a page to your application that consists of two areas One area at the top of the page to place one of the search criteria controls An area below that to put one of the controls for listing books Users could draw from your toolkit of Web Parts to build the search page that they want. Users would be able to put the search criteria Web Part that most meets their needs at the top of the page and put the listing Web Part they want below that. To work with the listing control they could add the book information Web Part that supports them best. This is a solution aimed purely at giving users the opportunity to create the application they need. Providing for Personalization In order to implement customization you also need personalization. Your users won t be happy if they have to recreate their application each time that they return to your site or if when they return they get some other user s customization. Customization is of no use unless the application remembers what changes a user has made and associates those changes with the user that made them. Fortunately ASP.NET 2.0 comes with a personalization framework. The ASP.NET 2.0 personalization framework allows you to implement an application that tracks users .