Previously: Architecting LINQ To SQL Applications, part 6 The topic of managing entity lifetimes is an important one as many of the issues that people have when using an ORM for the first time relate to a lack of understanding of how an ORM manages objects loaded from the Db, or that are to be inserted...

Let's return to the series on how to architect applications that use LINQ To SQL. First of all, for those you who missed it, a summary of where we have been: Part 1, Introduction Part 2, Layered Architectures Part 3, DAOs and Repositories Part 4, Dynamic Queries Introduction I had a couple of requests...

Dynamic Queries One question that arises from time to time is: how do I do dynamic queries in LINQ. The problem usually stems from allowing the users to generate search criteria, perhaps through a filter for a list for example. Because we cannot predict the combinations of values that the user will choose...

What is LINQ? LINQ stands for Language Integrated Query and is a DSL within C# for querying data. It is implemented by language extensions to C# 3.0. It allows us to concisely express queries against our collections of data. LINQ comes in a variety of flavours: Objects, SQL, and XML which allow us to...

Previously I discussed some issues with modopt . Well there are more. In total I have logged three issues (could be many more as nearly every language I have looked at has the same problems). I figured I would put up some links and describe each issue here. C# specification does not define modopt varying...