Are you getting ‘Unable to save permission changes on file_name. Access is denied.’ e rror messages trying to modify a file or change permissions on a file that has TrustedInstaller as its owner? I’ve seen suggestions on the Internet recommending...

I’m sure we all have dealt with business stakeholders that want it all in the next version... This idea was well captured in the image below copied from a presentation by Dan Rawsthorne (Net Objectives): But did you know research shows that 60...

Unfortunately, it’s still a common case that the pagination logic resides in UI… Why I say ‘unfortunately’? Because by making this design choice, you have: Used up bandwidth transmitting the data that may never be seen by the end user. Potentially...

There are times when you want to assure that two or more properties are always in-sync. Common examples include a class that represents id/name pair, e.g. Status with ID and Description properties, or Product class with product id and name… The...

First, little explanation for what prompted me to write this post… It came to my attention that some teams dedicate a build server for each Visual Studio/.NET framework combination, i.e. they don’t upgrade Visual Studio (or the build tools) because...

Get an overview of WPF controls, supported layouts (StackPanels, WrapPanel, DockPanel, Grid) clearly demonstrated via easy-to-understand images, vector graphics usage and what it means, text support (fonts and much more), document support (layout, scaling...

In spite of its generic name-value collection name, the System.Collections.Specialized.NameValueCollection class only deals with string keys and string values. In most cases, a string key is just fine… but to force the value to being of string type...

C++’s typedef declaration creates a new name (an alias) that, within its scope, becomes a synonym for the type given by the type-declaration portion of the declaration. The syntax is as follows: typedef type_declaration synonym; For example,...

We live in the world where if you don’t know the lingo, you’re not an equal member of the worldwide software developers’ guild. So, what is XBAP? First, make sure you know that is WPF… As a quick refresher, WPF stands for Windows Presentation...

While the Pete McBreen’s article is not funny as Jeff Foxworthy’s “You know you’re a redneck if…” series, in my opinion, it’s a must-read for software developers thinking about or using agile development practices. Check it out at: http://www.awprofessional...

Problem statement : create a general purpose status history class that is a collection of status history items sorted by time stamp. Each status history item must include a status code, updated-by-user string and updated-on time stamp. Important : the...

“Interfaces are immutable…” Yes, we’ve heard that for years... The reality, however, is that contracts, both -- service and data, do change as more requirements are discovered, etc. Moreover, it’s not reasonable to expect that all clients of your V1 service...

“Questions about whether design is necessary or affordable are quite beside the point: design is inevitable. The alternative to good design is bad design, not no design at all. Everyone makes design decisions all the time without realizing it ­ like...

Say, you have implemented the following data class called Message in a YourCompany.DataContracts.Shared assembly (code below). When creating a collection of messages class, some may choose to implement it similar to the code below: [DataContract...

The http://msdn2.microsoft.com/en-us/library/ms345109.aspx article has the following note in the Interleaved Execution section: “Stored Procedures written in any of the .Net languages will not interleave while managed code is executing. If the inproc...

The other day I saw some code from a vendor (who will remain unnamed) that prompted me to write this post… The aforementioned vendor has a product that works on many relational databases, including Microsoft SQL Server, Oracle, etc. The product is...

Imagine, you execute who_is_blocked stored procedure and get a list of the blocked resources, the databases involved, the requesting and the blocking session ids, and the request mode. With that information, you can choose to terminate the blocking session...

.NET 2.0 settings designer that generates a strongly typed class representing the applicationSetting and userSettings sections is a great improvement over the old appSettings or custom xml serialization code… But, sometimes you just need a bit more… ...

So, say you have a class that you’d like to make sure that nobody outside of your company (or your product/project team) can use. As an example, I’ll use an encryption class (see below) with Encrypt and Decrypt methods: internal class Encryption...

Are you still debating whether the performance benefits of dr[columnIndex] outweigh the benefits of readability and maintainability of using dr[“ColumnName”] instead? Then, read on… When using SqlDataReader class, the difference between getting...

Would you like to know how many server round trips it took to retrieve your data using ADO.NET? Would about the number of bytes sent and received? Total connection time? Command execution time? Number of returned rows? Welcome to the System.Data...