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Paul Sheriff's Blog for the Real World

This blog is to share my tips and tricks garnered over 20+ years in the IT industry

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Understanding XAML Screen Layout
When you first start designing XAML screens in either WPF or Silverlight there are several approaches you can take. You can just draw controls on a Grid and let the controls figure out where they are in relation to one another and the Window via the Margin...
Synch a ComboBox in Silverlight with Foreign Keys
In most database applications you will have foreign keys to express a relationship between one table and another. Many times this takes the form of a lookup table where you want the user to pick from a selection of items such as an Employee Type for an...
The Basics of MVVM
While training and consulting with clients around the country, I find that many developers still have trouble grasping the concept of Model-View-View Model (MVVM) as used in Silverlight or WPF. In this blog post I thought I would show two examples side...
From Zero to Silverlight in 1 Day!
Hi All, Arranged by my fellow Microsoft Regional Director ( www.TheRegion.com ), Bill Wagner, I will be presenting a day long Silverligh event in Ann Arbor, MI on June 7th, 2011! I hope you will join us for this great 1 day event. The cost is only $100...
Posted: May 12 2011, 12:14 PM by psheriff | with no comments
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Use the Silverlight ListBox as an Expanding Menu
Silverlight leaves a lot of choices up to you as a developer. For example, creating a menu or navigational system for your Silverlight application is pretty much wide open. There is a template navigational application that Microsoft supplies with Visual...
Add Gradient Background to Mirror Image
In my last blog post I showed you how to create a mirror image as shown in Figure 1. This simple image with a reflection is a nice effect, but it does look a little flat and not very interesting just sitting directly on the user control. In this blog...
Mirror Reflections with Silverlight Images
Adding images is very easy to do in Silverlight. All you do is add an <Image> element to your Silverlight user control with the Source property set to the path of where your image is located and that image will be displayed. So the following code...
Posted: Mar 23 2011, 10:44 AM by psheriff | with no comments
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'Content' is NOT 'Text' in XAML
One of the key concepts in XAML is that the Content property of a XAML control like a Button or ComboBoxItem does not have to contain just textual data. In fact, Content can be almost any other XAML that you want. To illustrate here is a simple example...
Tip on Reusing Classes in Different .NET Project Types
All of us have class libraries that we developed for use in our projects. When you create a .NET Class Library project with many classes, you can use that DLL in ASP.NET, Windows Forms and WPF applications. However, for Silverlight and Windows Phone,...
Horizontal List Boxes in Silverlight
A list box in XAML does not just have to look like a normal list box with just a single line of data in each row. You can place multiple rows into the list box, and you can even turn the list box so it displays the data horizontally instead of vertically...
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