By Atul Gupta; Sudhanshu Hate; Andrew Siemer
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Our preference is that we extend this object to provide more specific methods that work with these private methods, that in turn work with the session. This provides us a bit more encapsulation regarding the session interaction. [ 42 ] Chapter 2 The GetQueryStringValue() method takes in a key value and retrieves the item from the query string. The SetInSession() method allows you to pass in a key and an object. The object is then stored in the session under that key name. GetFromSession() does just that—it takes a key and retrieves that corresponding object.
ToString()); That should take care of our logging needs! [ 46 ] Chapter 2 Error handling The familiar approach to capture and work with an error that might possibly occur in our code is using try/catch/finally syntax. But what about errors that occur outside of the environment? What do you do then to prevent users from seeing some crazy geeked out error message? asax file. cs file. We will want to take a look at the Application_Error method in this file. This is the event that is raised when an unhandled error occurs.
While your repository is intelligent enough to work with infrastructure code, the interfaces that it presents to other domain objects should be domain-oriented and should be simple for the other domain objects to use. [ 32 ] Chapter 2 Entity Framework In the earlier section, we discussed Domain-driven Design. Now we will take a look at how we can implement the same concepts. NET Entity Framework provides data access framework to build domain-centric applications needing to solve object relational impendence mismatch.
ASP.NET 4 social networking : a truly hands-on book for Microsoft ASP.NET 4 developers by Atul Gupta; Sudhanshu Hate; Andrew Siemer