Εκτός και αν πρόκειται για sample, prototype ή throw-away project τότε η αρχιτεκτονική μιας ASP.NET εφαρμογής είναι αυτή που φαίνεται στο παρακάτω σχήμα. Τα επίπεδα (layers) μπορούν να διαμορφωθούν ανάλογα με το μέγεθος της εφαρμογής. Για παράδειγμα, πιθανόν να υπάρχει χωριστό presentation layer (ανάμεσα στα Services και το UI) αρκεί η ...

In this post I will be writing LINQ queries against an array of strings, an array of integers.Moreover I will be using LINQ to query an SQL Server database. I can use LINQ against arrays since the array of strings/integers implement the IENumerable interface...(read more)

In this post I would like to talk about  Linq to Objects in an ASP.Net application. In all my classes people seem to have the following answer to this question, “What kind of data can we query with LINQ?“ Most people say “Well, we can query an SQL server database” . I am not very [...]

I’m starting a new line of blog posts in which I’m going to give out a few tips and tricks I’ve picked up during the past years. I’m going to start with one of the most common mistakes I often face when reading code. To demonstrate that, I’m going to use LinqToSQL as my data access method (although the problem can be found in any kind of Data ...

In this post, which is another post for LINQ, I will try to explain how we can use LINQ set operators on arrays.Basically set operators are extension methods that allows to filter,merge arrays.We are going to examine these methods in detail. We will examine them by creating a project in visual studio. Basically we are going to use two [...]