By Vincent Varallo
The ASP.NET firm program improvement ebook, that's a part of the Problem/Design/Solution sequence, is setup as a e-book that illustrates the matter first, then strikes to the layout (and appears to be like at quite a few 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 publication seems to structure the basics of a enterprise program, beginning with the knowledge entry, enterprise, and presentation layers. the remainder of the booklet is spent a number of the good points that the appliance wanted (exception dealing with, safeguard, workflow, etc.). lots of the situations within the chapters use a code-specific implementation to fixing the matter, instead of utilizing different instruments to be had to builders (for example, the workflow bankruptcy does not leverage home windows Workflow Foundation). notwithstanding there are a number of instruments used, like Crystal stories and firm Library.
The ebook has an attractive strategy in the way it implements the enterprise good judgment; company purposes are a lot diverse than own websites and different program forms simply because they depend upon the luck in their enterprise ideas. that's one of many focuses of the e-book, establishing how one can constitution your code so you may well deal with many of the company wishes of the application.
The chapters that create particular good points for the applying (reporting, workflow, etc.) use a code-specific method of developing those gains. The publication lays out the adjustments to the database and knowledge version, illustrates the kept strategies for the swap, after which strikes into the layout resolution. each one new characteristic 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 e-book discusses the bankruptcy to the fullest aspect, from the proc to the completed solution.
The sort of the booklet generally follows the reason of the company challenge initially. whilst the publication illustrates code, the writer indicates the code first, and follows up with an evidence of the answer. within the layout part, the publication does talk about many of the elements that it does use to accomplish the answer (such as Crystal studies for reporting and company Library for exception handling).
While i do not be aware of that i'd use an identical structure, I do like the various beneficial properties he applied 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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Additional info for ASP.NET 3.5 Enterprise Application Development with Visual Studio 2008: Problem Design Solution (Wrox Programmer to Programmer)
You could validate the data as it is passed into the property and throw an exception if someone tried to enter bad data. com/ Chapter 2: The Data Access Layer The SendPropertyChanging and SendPropertyChanged methods are called as part of the implemented interfaces for this class. These methods will raise an event back to any object subscribed to it. The FIELDNAME = value reflects how the member variable is set, and is what you are used to doing in a regular class. PaidTimeOffDAL project. You will remove this reference when actually creating the site, but temporarily reference the DAL to make it easy to test the entity objects.
From their website, you can download the Microsoft Data Access Application Block, which contains a class called SqlHelper that is a wrapper for all of the aforementioned methods but contains overloaded methods of each depending on how you implement the DAL. 0 (before Enterprise Library) because it is simple to use and easy to understand. Later versions use generics and can be used against different databases such as SQL Server and Oracle, but the code is much more complex. aspx. The SqlHelper class is a static class that sits between the DAL and the database.
CommandText = “SELECT Name FROM UserAccount”; Before executing this query, you can choose whether to return a DataReader or a DataSet. com/ Chapter 2: The Data Access Layer A DataReader is the fastest type of object to return multiple records and is a forward-only, connected cursor to the database. These are particularly useful when you need to do a one-time pass of the data to load an object. Very little about the underlying structure is returned from the DataReader and you must specifically cast each field.
ASP.NET 3.5 Enterprise Application Development with Visual Studio 2008: Problem Design Solution (Wrox Programmer to Programmer) by Vincent Varallo