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Download ASP.NET 3.5 enterprise application development with Visual by Vincent Varallo PDF

By Vincent Varallo

The ASP.NET firm program improvement e-book, that's a part of the Problem/Design/Solution sequence, is setup as a booklet that illustrates the matter first, then strikes to the layout (and appears at numerous layout possibilities), and finally ends up with the answer to enforce. The pattern venture for this ebook is a time-tracking chance, an software to log employee's time.

Each bankruptcy of the ebook seems to be to format the basics of a enterprise program, beginning with the knowledge entry, company, and presentation layers. the remainder of the ebook is spent a few of the good points that the appliance wanted (exception dealing with, defense, workflow, etc.). lots of the eventualities within the chapters use a code-specific implementation to fixing the matter, instead of utilizing different instruments on hand to builders (for example, the workflow bankruptcy does not leverage home windows Workflow Foundation). although there are a couple of instruments used, like Crystal reviews and company Library.

The booklet has an attractive procedure in the way it implements the enterprise good judgment; enterprise functions are a lot assorted than own websites and different program forms simply because they rely on the good fortune in their enterprise ideas. that's one of many focuses of the ebook, developing tips to constitution your code so you may possibly deal with some of the enterprise wishes of the application.

The chapters that create particular beneficial properties for the appliance (reporting, workflow, etc.) use a code-specific method of growing those positive aspects. The ebook lays out the adjustments to the database and information version, illustrates the saved strategies for the switch, after which strikes into the layout resolution. each one new function has a brand new ASP.NET web page that he demonstrates absolutely in addition to any adjustments to types, grasp pages, and so on. every one ebook discusses the bankruptcy to the fullest element, from the proc to the completed solution.

The form of the ebook regularly follows the reason of the enterprise challenge at first. whilst the e-book illustrates code, the writer indicates the code first, and follows up with a proof of the answer. within the layout part, the e-book does speak about a few of the elements that it does use to accomplish the answer (such as Crystal experiences for reporting and firm Library for exception handling).

I hoped the booklet used to be going to seem extra into utilizing quite a few layout styles inside ASP.NET. even supposing there are a few, the structure is pretty well a similar during the software. also, the UI later does not use a lot ASP.NET AJAX JavaScript implementations or a script library like JQuery, yet leverages lots of the good judgment at the server-side and, while worthy, leverages the replace panel control.

While i do not be aware of that i'd use an analogous structure, I do like many of the beneficial properties he carried out within the app and glance to work out how i could make the most of this for my very own improvement.

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This chapter covers the following: ❑❑ Exploring options for creating a data layer ❑❑ Walking through the traditional approach ❑❑ Implementing a similar design pattern using LINQ to SQL If this book has one chapter that is a “must read,” it is this one. Problem The goal of the DAL is to create classes that expose methods that enable the business layer to retrieve or persist data to the database. The DAL should not communicate directly with the user interface, although it is tempting when you can easily bind DataSets and DataReaders to a GridView or other bound controls.

The user interface layer is the layer that interacts with the user. This could be via a web browser, a Windows Forms application, a mobile application, and so on. User Interface ASPX Pages, Custom Controls, JavaScript, StyleSheet, Master Pages Business Logic Layer Business Object, Lists, Validation Rules Data Access Layer There is much debate on this area. NET Datasets, DataReaders, Command Objects, and Connections Database Figure 2-1 This book concentrates on building a web application. The user interface will be comprised of Web Forms, custom controls, server controls, and JavaScript.

When you want to manage the same records in a second screen, you have to repeat the code that is buried in the first screen. When the business logic is separated into a different layer, you can be assured that each screen or process is processing the data the same way, provided that you advertise your nifty classes. Many applications have screens that enable users to enter records one at a time in the database, and import programs that enable users to upload a file to enter the same types of records.

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