ASP.NET 2.0 Everyday Apps For Dummies by Doug Lowe PDF

By Doug Lowe

ISBN-10: 0764597760

ISBN-13: 9780764597763

Create a buying cart, on-line shop, and net discussion board, or organize a web publication ASP.NET 2.0 is a sensible programming software, so why now not observe find out how to use it via really growing whatever practical? those aren't dead ''Hello World'' style examples - you are going to construct safe e-commerce, group, and back-end purposes correct from the beginning. Even prior to you will have accomplished this hands-on advisor, you should have whatever to teach to your efforts! observe tips on how to * comprehend program layout * Debug your tasks * steer clear of cross-site scripting assaults * construct a database administration software * Create a web product catalog * layout weblog and discussion board functions

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I omitted two important pieces of the computer-system-development puzzle because they should be integrated throughout the entire process: quality assurance and documentation. Quality needs to be built into each phase of development, and shouldn’t be tacked on to the end as an afterthought. Likewise, documentation of the system should be built constantly as the system is developed, to minimize confusion. Building Models When it comes right down to it, computer system analysis and design is nothing more than glorified model-building.

There are several common approaches to application architecture that vary depending on the number of layers used. One common scheme is to break the application into two layers: ߜ Application Layer: The design of the user interface and the implementation of business policies are handled in this layer. This layer may also handle transaction logic — the code that groups database updates into transactions and ensures that all updates within a transaction are made consistently. ߜ Data Access Layer: The underlying database engine that supports the application.

The number of tables in a database rarely goes down as you refine the design. Note that the Orders table has several problems in its current form. For example, how do you identify which customer is associated with an order? And, more importantly, what if more than one product is ordered? We’ll solve these problems in subsequent steps. Step 3: Add keys In an SQL database, every table should have a column or combination of columns that uniquely identifies each row in the table. This column (or combination of columns) is called the primary key.

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ASP.NET 2.0 Everyday Apps For Dummies by Doug Lowe

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