July 2014
Intermediate to advanced
560 pages
17h 58m
German
book
Moderne Web-Anwendungen mit ASP.NET MVC und JavaScript, 2nd Edition
by Manfred Steyer, Holger Schwichtenberg Dr.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Daten abfragen
Steht das Entity Data Model erst zur Verfügung, kann der Entwickler unter Verwendung der daraus generierten Entitätsklassen und der generierten Datenbankkontextimplementierung in objektorientierter Manier auf die darunterliegende Datenbank zugreifen. Der Datenbankkontext repräsentiert dabei die Datenquelle und öffnet jeweils für die Dauer einer Abfrage eine Datenbankverbindung.
Für den Datenbankzugriff verwendet der Entwickler bevorzugterweise die in C# und VB.NET integrierte Abfragesprache LINQ, wobei im Umfeld des Entity Frameworks von LINQ-to-Entities die Rede ist.
Auf Entitäten zugreifen
Der generierte Datenbankkontext besitzt pro Entität eine Auflistung, die die Entitätsobjekte repräsentiert. Zur Demonstration beinhaltet Listing 6.1 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.