There are many hints on the internet that in the autoval column in the system table syscolumns in MS SQL Server 2000 it is stored the identity seed and identity increment values for columns that have been set as identity. Problem is there are little clues on how to extract those values from that column, […]
Here is the main idea: We will have a grid with three rows and three columns. The middle column/row will be used to store the GridSplitter that will allow us to resize columns/rows once we are in one of the tile modes. So basically when we are in Tile Horizontally we will span the textboxes […]
If you have tried to bind the RadioButton’s IsChecked property in WPF to an object, you have most likely experienced the following problem: In OneWay bindings it works great. But if you have more than one RadioButtons binded TwoWay and you click on an unchecked one, you were expecting that the object to which the […]
Recently I had to use the Distinct function introduced in LINQ. My surprise was that depending on where you put the Distinct clause you will receive different results. Let us take the following example: Let dtAnswers be a DataTable that has two columns, named answer_value and answer_comment. What I was seeking as a result was […]
Currently I needed to make an Xceed WPF Grid to have different CellEditors for one column for different rows based on a condition (in my case the condition was the content of the cell). I’ve found no info for a similar situation on Xceed’s Forums. I’ve tried using the CellContentTemplateSelector for that column but after […]
Recently I’ve made a simple WCF service that had a method that takes a MemoryStream parameter. After some time I had to add another method that should take a whole DataSet as parameter. And then my problems begun! After I’ve added the method and refreshed the service reference of my client the proxy class generator […]
With .NET Framework 3.0 Microsoft has removed one control that I’ve liked and used a lot – the CheckListBox. But on the other hand with WPF the developer can easily create his own check list control. Here is how to create one yourself. Put a simple ListBox in your window: XAML: <Window x:Class=”winCustomPKChooser” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” […]
I’ve read many posts over the Internet which are stating that it is currently impossible to obfuscate WPF assemblies. Well this is partially true. Here is what you can do to partially protect your .NET Framework 3.0 code:In order your code to continue to work properly you must exclude from the obfuscation at least the […]
In WPF the development and deployment of custom user controls is similar to the development and deployment of user controls in ASP.NET. Let say that you have made a user control named MyUserCtrl1 in your main application project. In order to use this control in a Window you must first declare a namespace for it. […]
When I had to do this I’ve searched all over the Internet for some information on how to implement such a feature, but I have found nothing. The main problem was how to detect on which tab exactly has the user clicked on. I haven’t found any method or property of the TabControl or TabPage […]