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25 Articles match "Data","WPF"
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Essential LINQ with the Entity Framework
Learn to combine flavors of LINQ to query and transform in-memory collections, XML data sources, and relational databases. Learn to develop applications for EF and LINQ to Entities and employ ADO.NET Data Services to integrate data from the Internet cloud. Apply techniques for building real-world data-driven applications, including ASP.NET and WPF data binding. How can I create and consume data from the Internet cloud using REST-ful data services? WPF Data Binding.NET 3.0 How is LINQ to Entities different from LINQ to SQL?
DevelopMentor Courses
- Friday, June 12, 2009
Essential Silverlight 3
You'll get answers to these questions: How does Silverlight compare to Flash, AJAX, and WPF? How do I integrate data into my application to create a dynamic user interface with minimal code? How can I use local files and external web services to store and retrieve data? The course shows you how to build Silverlight applications that utilize drag-and-drop, dynamic custom controls, streaming media, animation, and integrated Web Services to produce data-driven user interfaces. Create Rich Internet Applications (RIAs) using languages and libraries that you already know.
DevelopMentor Courses
- Wednesday, June 17, 2009
Exploring.NET 3.5: WPF/SL, WCF, WF, LINQ Training
Windows Presentation Foundation (WPF) and Silverlight 3 (SL), Windows Communication Foundation (WCF), and Windows Workflow (WF). How is WPF different from Windows Forms? and Language-Integrated Query (LINQ), Windows Presentation Foundation (WPF), Silverlight 3 (SL), and Windows Communication Foundation (WCF). This topic includes an examination of the Entity Framework architecture and how to retrieve data using high-speed data readers. Introduction to WCF: Part 1 (Architecture, Data Contracts) WCF provides the basis for modern communication across applications.
DevelopMentor Courses
- Thursday, June 3, 2010
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37 Articles match "Data","WPF"
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NativeActivity – A Tricky Beast
Now how does the workflow engine know what data you need to store in the ActivityInstance? That is the data in the class but remember we need to tell the workflow engine about what we need to store and why – this is the point of CacheMetadata (I read this method name as “here is the metadata for the cache” rather than “I am going to cache some metadata”). have written a designer to go with this (designers in WF4 are WPF based). I’m writing Essential Windows Workflow Foundation 4.0 with Maurice for DevelopMentor. What is NativeActivity I hear you ask? AsyncCodeActivity.
.NET Meanderings
- Tuesday, February 9, 2010
MVVM: Introducing the message visualizers
To start with, let’s define a simple data structure that wraps an ICommand and a textual title: {rtf1ansiansicpglang1024noproof65001uc1 deff0{fonttbl{f0fnilfcharset0fprq1 Consolas;}}{colortbl;??red128green128blue128;red255green255blue255;red0green128blue0;red0green0blue255;red0green0blue0;red43green145blue175;}??fs28 Tags: NET MVVM WPF In this post, I will go over the simple message visualizers available in the MVVM Helpers toolkit. Essentially the idea is that it is fairly common to want to display a simple message from the ViewModel to the user. IErrorVisualizer. IUIVisualizer.
Mark's Blog of Random Thoughts
- Monday, February 1, 2010
MVVM: Binding RadioButton groups
Ultimately, this problem is really an expected behavior from WPF – when a set of Radio Buttons are placed together, they act as a group – where only one is expected to be checked and all the others are unchecked. Our goal will be to use a ListBox there as well – showing the list of Radio Buttons and bound to a ViewModel collection of data. Now that I have an idea of what I want to build, I created a blank Windows WPF application and added the JulMar MVVM Helper library and created the directory structure I prefer ( Views , ViewModels and Dependencies ). See the problem?
Mark's Blog of Random Thoughts
- Friday, January 29, 2010
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WPF Data Providers
One of the nifty new features of the WPF platform is the pluggable data providers. XmlDataProvider: loads an XML data source and makes it available as a binding source. Both of these derive from the abstract class System.Data.DataSourceProvider which implements the binding glue ( INotifyPropertyChanged ) needed for data binding. side note here is that you could write your own custom data provider if you needed to, although if the data is exposed through a.NET object, then the ObjectDataProvider is probably sufficient. Tags: NET;Code;WPF
Mark's Blog of Random Thoughts
- Wednesday, January 17, 2007
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WPF MVVM Helper Library (WPF + MVVM = testability)
There's been a lot of talk about the Model-View-ViewModel pattern recently and it's usage around the WPF and Silverlight technology stack. When teaching WPF, I always introduce students to MVVM as part of the Essential WPF class, it's an incredibly useful pattern that really separates the UI from the code behind behavior. It's evolution owes a lot to various blog posts, WPF Disciples, and other WPF leaders; I certainly didn't invent anything radically new but borrowed heavily from all kinds of places as I built various classes I needed for my own work. file -.
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Part 2: Changing WPF focus in code
In the last post , I wrote about how focus is generally managed in WPF - we have focus scopes to track a single element within that scope for logical focus, and then one of those elements is given physical, or keyboard focus. First, there is a Keyboard class in WPF which exposes several methods and properties. However, the most common request is to set initial focus to a specific control - remember that WPF doesn't do that by default. However, a popular way to develop WPF applications is to separate out chunks of UI into separate UserControls. Tags: NET;WPF
Mark's Blog of Random Thoughts
- Thursday, September 4, 2008
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Using Model – View – ViewModel with Silverlight
have found it extremely easy to use when developing very different applications and have used the design pattern recently in both ASP.NET, WPF and Silverlight applications. Josh Smith did an excellent screen cast for Pixel8 on using MVVM with WPF, you can find it here. The View is data bound to a ViewModel. Think of the Model as the data and the business rules. All controls use data binding to get to their values. And the View uses data binding to set the FontWeight property. Tags: NET DevCenter WPF Silverlight 11: {. 13: set. 14: {. 19: }.
The Problem Solver
- Tuesday, April 7, 2009
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Playing with WPF Behaviors - a WatermarkText behavior
This new feature formalizes the "attached behavior" model that has become so prevelant in WPF (and Silverlight) development. To play with this new support, I built a WatermarkTextBehavior which places a watermark into a TextBox when it has no entered data. This can be UIElement for anything WPF, or more restrictive if necessary based on the events you intend to hook up. These should be done in the form of Dependency Properties so they are bindable and interact nicely with WPF. Tags: NET Code WPF public. class WatermarkTextBehavior : Behavior >. protected.
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Using MVVM with Menus in WPF
The key thing to keep in mind is that menus are just ItemsControls - they support data templating and binding like any other ItemsControl. Tags: NET WPF One question I've fielded a couple of times is how to manage menus, primarily context menus, with the MVVM pattern. It turns out to be pretty easy once you know the "trick". However, the part where people get lost is in hooking up the commands. Here's the trick: Step 1: Define some code behind construct to manage each menu item in a hiearchial fashion. Here's one I've used: public class MenuItem. {. public List. MenuOptions. {.
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WPF Data Providers
One of the nifty new features of the WPF platform is the pluggable data providers. XmlDataProvider: loads an XML data source and makes it available as a binding source. Both of these derive from the abstract class System.Data.DataSourceProvider which implements the binding glue ( INotifyPropertyChanged ) needed for data binding. side note here is that you could write your own custom data provider if you needed to, although if the data is exposed through a.NET object, then the ObjectDataProvider is probably sufficient. Tags: NET Code WPF
Mark's Blog of Random Thoughts
- Wednesday, January 17, 2007
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