Today, I needed to use more then one aggregate function together in one LINQ query and I did a brief search in the internet. I found some sites that can be useful but not really a sample for my case. One of the nice web sites with samples is 101 LINQ Samples. It contains samples [...]
I’m creating a small application for my friends and I decided to use SQL CE and Entity Framework. I’ve configured the database to use identities for primary keys in tables and I got an exception when I’ve tried to add a record.
According to information from internet Entity Framework doesn’t support database generated values. It [...]
Last year I wrote a post about how to serialize and desterilize objects to/from XML using standard .Net Framework classes (see this post). Yesterday, I need to use the class but I need to improve the performance. When one creates XmlSerializer class many time is spend to configure it behind the scene. After its initialization [...]
I’ve already written some posts that show some source code that can be rewritten in a different way and this way to achieve better performance. Now I will open a series with a topic of this post with a number and I’ll post different samples of implementations that I’ll run into and I’ll do some [...]
This week I found in the source code of one of our projects that people use “is” operator + object casting in places that they can use “as” operator + null comparison.
1: // "is" operator + object casting
2: if (myObj is MyObject)
3: {
4: [...]
Today, one of the developers in our teams asked me does it possible to use custom actions in ClickOnce. I’ve never thought about this before and I googled a bit. I found a nice article in MSDN. It briefly describes both technologies and the beginning and you can get an overview of them. Further, it [...]