Download e-book for kindle: ASP.NET 3.5 enterprise application development with Visual by Vincent Varallo

By Vincent Varallo

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

Each bankruptcy of the publication 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 taking a look at many 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 on hand to builders (for example, the workflow bankruptcy does not leverage home windows Workflow Foundation). although there are a number of instruments used, like Crystal stories and firm Library.

The publication has an attractive process in the way it implements the company good judgment; company functions are a lot diversified than own sites and different program kinds simply because they depend upon the luck in their company ideas. that's one of many focuses of the booklet, constructing find out how to constitution your code so you might deal with a few of the enterprise wishes of the application.

The chapters that create particular positive factors for the appliance (reporting, workflow, etc.) use a code-specific method of developing those positive factors. The publication lays out the alterations to the database and information version, illustrates the saved techniques 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 besides any adjustments to kinds, grasp pages, and so forth. each one publication discusses the bankruptcy to the fullest element, from the proc to the completed solution.

The sort of the publication quite often follows the reason of the company challenge in the beginning. while the e-book illustrates code, the writer exhibits the code first, and follows up with a proof of the answer. within the layout part, the ebook does talk about some of the elements that it does use to accomplish the answer (such as Crystal stories for reporting and firm Library for exception handling).

I hoped the publication used to be going to seem extra into utilizing a variety of layout styles inside ASP.NET. even though there are a few, the structure is pretty well a similar in the course of the program. also, the UI later does not use a lot ASP.NET AJAX JavaScript implementations or a script library like JQuery, yet leverages many of the good judgment at the server-side and, while valuable, leverages the replace panel control.

While i do not recognize that i might use an identical structure, I do like many of the positive aspects he carried out within the app and glance to determine how i could make the most of this for my very own improvement.

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Indd 25 12/18/08 9:05:35 AM Chapter 2: The Data Access Layer The table and all the fields should appear on the design surface (see Figure 2-4). Figure 2-4 Visual Studio created an entity class for you that mimics the ENTUserAccount table. cs file again and take a look at what changed. Default HRPaidTimeOffConnectionString, mappingSource) { OnCreated(); } The global:: syntax is used to specifically access this member in the global namespace, just in case this class was hidden by another class of the same name.

This way, I avoid the extra hit to the database, I can explicitly create the parameter and assign its value, unlike when calling the methods with the object[] array, and I can use output parameters and retrieve their values. StoredProcedure, “UserAccountUpdate”, parameters); In your DAL classes you could implement the same design pattern as the SqlHelper class and create three signatures for each method: one that passes in a connection string, one that passes in a connection object, and one that passes in a transaction.

Correctly structured, an application can transform its appearance depending on the browser or device being used to display the application. The only layer the UI interacts with is the business logic layer. The business logic layer (BLL) contains the brains of the application and interacts with the UI and the data access layer. Business processes are represented by business entity objects that encapsulate the business rules. The BLL removes the complexity of the database from the UI developer and presents data in a more business-modeled fashion.

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