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Posts Tagged ‘NTier’

Hi back,
In this post we will finalize the implementation of our 3-tier asp.net architecture, by developing a Web-based presentation layer.
So far, we have developed the data access and business layers. The implementation of UI, consists of methods and approaches for handling business and crud operations thorough a Web UI. In fact, there are several ways [...]

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Up to now, we have finished implementing the data access layer. However, we can reduce the dependency between the deriver DAL classes and Web.config file. As you remember, we have specified the DB provider name in Web.config file so that DAL classes must have access to this file to read the provider name. Another method [...]

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The Fill method we have developed so far, executes the Select command on the underlaying server and picks up RowCount records from startRowIndex position. For example, if Select * from Person returnS 20 rows, and startRowIndex is 0, only the first RowCount records will be fetched. This means that the complete result set will be [...]

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Hi again,
Let’s keep on going and work on the Data Access Layer. The DAL layer we are going to design can be used with, theoretically, any sort of RDBMS because it will take advantage of ADO.NET generic classes. For this reason, I have written a base class for DAL classes and have placed in [...]

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