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Migrating an Outlook Client to .NET Framework 4 in Visual Studio 2010
15 December 09 11:12 PM

Early this year we built a business application for order management for Northwind Traders on the Office and SharePoint platform using Visual Studio 2008 and Office & SharePoint 2007. If you missed them: Architecture of the Northwind Office Business Read More...

Postedby Beth Massi | 2 Comments    

Filed under: Visual Basic, WPF, DevCenter, Article, Office, VS2010, VSTO, OBA

Master-Detail Data Binding in WPF with Entity Framework
14 July 09 04:24 PM

Today I thought I would talk about a really common scenario in data applications, creating a master-details (one-to-many) data entry form. I’ve written about WPF data binding and Entity Framework a lot in the past: Posts: Master-Details with Entity Framework Read More...

Postedby Beth Massi | 16 Comments    

Filed under: Visual Basic, WPF, DevCenter, Article, Data, Entity Framework

Implementing Validation in WPF on Entity Framework Entities
07 July 09 05:14 PM

I’ve blogged before about implementing validation on LINQ to SQL classes as well as how to customize the display of error messages in WPF . In this post I want to show how you can use these same techniques to validate entities coming from the Entity Framework Read More...

Postedby Beth Massi | 15 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Entity Framework

Using the WPF ObservableCollection with EF Entities
08 May 09 03:29 PM

The ObservableCollection is a special WPF collection that provides proper notifications to the UI when items are added, removed, or the list is refreshed because it implements INotifyCollectionChanged . It’s common to use this collection (or inherit from Read More...

Postedby Beth Massi | 12 Comments    

Filed under: Visual Basic, WPF, LINQ, VS2008, DevCenter, Article, Data, Entity Framework

Notifying the UI when Entity References Change in Lookup Comboboxes
04 May 09 07:51 PM

Last week I wrote about how to data bind WPF lookup comboboxes to entities returned from the Entity Framework. I described that the key to this type of binding is setting the SelectedItem to the object reference itself on the navigation property instead Read More...

Postedby Beth Massi | 6 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Data, Entity Framework

Data Binding WPF Lookup Combobox Values to EF Entities
30 April 09 07:57 AM

It’s extremely common to have to hook up lookup tables on your data entry forms in order to populate foreign keys in a database. I’ve talked about how to do this in Winforms and WPF with Datasets and LINQ to SQL before: How Do I: Create a Lookup Combobox Read More...

Postedby Beth Massi | 8 Comments    

Filed under: Visual Basic, WPF, LINQ, VS2008, DevCenter, Article, Data, Entity Framework

OBA Part 4 - Building an Excel Client against LOB Data
08 March 09 03:45 PM

In my last few app building posts we've been building a simple Office Business Application (OBA) for the new Northwind Traders. If you missed them: OBA Part 1 - Exposing Line-of-Business Data OBA Part 2 - Building and Outlook Client against LOB Data OBA Read More...

Postedby Beth Massi | 2 Comments    

Filed under: Visual Basic, WPF, DevCenter, Article, Office, ADO.NET Data Services, VSTO, OBA

OBA Part 2 - Building an Outlook Client against LOB Data
07 February 09 02:36 PM

In the last couple posts we've been talking about an Office Business Application (OBA) architecture for the new Northwind Traders and how to expose line-of-business (LOB) data , in our case the Northwind SQL database, using ADO.NET Data Services . Today Read More...

Postedby Beth Massi | 9 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Office, ADO.NET Data Services, VSTO, OBA

ADO.NET Data Services - Intercepting Queries and Adding Validation
21 January 09 08:53 PM

Last few posts I've been building a WPF client against ADO.NET Data Services, if you missed them: Using ADO.NET Data Services ADO.NET Data Services - Building a WPF Client ADO.NET Data Services - Enforcing FK Associations and a Fix for Deleting Entities Read More...

Postedby Beth Massi | 7 Comments    

Filed under: Visual Basic, WPF, LINQ, DevCenter, Article, Data, N-tier, Entity Framework, ADO.NET Data Services

ADO.NET Data Services - Building a WPF Client
15 January 09 08:30 PM

In my last post I introduced ADO.NET Data Services and how you can easily expose your data model via RESTful services that support the basic CRUD (Create,Retrieve,Update,Delete) operations. Basic CRUD database operations map well to the familiar HTTP Read More...

Postedby Beth Massi | 11 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Data, N-tier, ADO.NET Data Services

Formatting Data in WPF Controls
12 December 08 04:32 PM

One of the basic things that we need to do as business application developers is to make sure that data being displayed to a user makes sense to them and that they know what type of data something is when they are making edits. In every business application Read More...

Postedby Beth Massi | 19 Comments    

Filed under: Visual Basic, WPF, DevCenter, Article, Data

Loading Data and Binding Controls in WPF with CollectionViewSource
07 November 08 09:47 AM

When designing WPF Windows with data (or as I usually refer to them WPF "Forms") we have many options on how we want to load the data and bind our controls. Depending on where the data is coming from and how it's being used there are a lot of Read More...

Postedby Beth Massi | 15 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article

Editing Tabular Data in WPF - Building a WPF Grid
15 September 08 07:12 PM

In my last post on WPF I showed how you could use a Winforms DataGridView on a WPF form in order to edit data in a tabular style. Today I'll show you how you can customize the WPF ListView in order to edit data without having to use any Winforms controls Read More...

Postedby Beth Massi | 16 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Data

Editing Tabular Data in WPF Using the Winforms DataGridView
04 September 08 04:09 PM

A pretty common requirement of any business application is to be able to edit data in a "spreadsheet" or tabular style. Usually we use some sort of data grid to do this. When building WPF applications in Visual Studio 2008 you'll notice right away that Read More...

Postedby Beth Massi | 6 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Data

Better Data Editing Features in WPF with SP1
19 August 08 08:09 PM

One of the things I was really missing from WPF when I started to dig into data binding was feature consistency between the BindingListCollectionView and the Winforms BindingSource I had grown to love. The BindingListCollectionView provides the navigation, Read More...

Postedby Beth Massi | 23 Comments    

Filed under: Visual Basic, WPF, VS2008, DevCenter, Article, Data