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Building Occasionally Connected Smart Clients with WPF
02 November 09 02:57 PM
This month Dev Pro Connections has an article by Milind Lele on using Sync Services in a WPF application: Building Occasionally Connected Smart Clients with WPF With Sync Services and Visual Studio 2008 you can visually design your local data cache and Read More...
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Inserting Master-Detail Data into a SQL-Server Compact Edition Database
15 September 09 07:11 PM
Yesterday John posted on the Visual Studio Data blog how to Refresh the Primary Key Identity Column during an Insert Operation using SQL Server. In that post he shows how the DataSet designer sets up a batch Insert statement to retrieve identity keys Read More...
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New “How Do I” Videos Released on Entity Framework & WPF
26 August 09 10:18 AM
Yesterday we released a couple more videos onto the Visual Basic Developer Center on building WPF data-entry forms with Entity Framework: How Do I: Hook Up and Display Validation in WPF using Entity Framework? How Do I: Build a WPF Master-Detail Data Read More...
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N-Tier Application Patterns with Entity Framework
05 August 09 03:20 PM
This month’s MSDN Magazine has a particularly good article in there by Danny Simmons , Development Manager on the Entity Framework team, on N-Tier Application Patterns with Entity Framework   that I recommend reading through. He explains the design Read More...
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Working with a Local Database File in Visual Studio
31 July 09 12:58 PM
In this post and video I’ve shown folks how to work with a local database file (.mdf, .mdb, .sdf) that resides directly inside your project in order to see updates made while debugging your application. If it looks like everything saves fine while debugging, Read More...
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Filtering Child DataTables Using TableAdapters
22 July 09 05:02 PM
Since my last post on filtering child collections using Entity Framework , I have had more than a few emails about how to load filtered child DataTables that are part of a master-detail relationship and then get them to save properly through the TableAdapters. Read More...
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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 | 11 Comments    
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WPF Data Binding Samples on Code Gallery
17 June 09 12:41 PM
One of the many samples released for Visual Studio 2010 Beta 1 that you should be aware of are examples of WPF data binding against Entity Data Models. You can find some easy to follow samples here: http://code.msdn.microsoft.com/WPFDatabinding This sample Read More...
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Visual Studio 2010 Beta 1 – Everyone can download and play today!
20 May 09 10:50 AM
Here it is folks, Visual Studio 2010 Beta 1 has been released to the public today. Check out the Visual Studio 2010 and .NET Framework 4 Beta 1 site to download the Beta, submit product feedback on the Beta 1 Forums , report bugs on Connect , and find Read More...
Postedby Beth Massi | 11 Comments    
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Using TableAdapters to Insert Related Data into an MS Access Database
14 May 09 05:48 PM
I’ve posted before about how to use TableAdapters to update parent-child (master-detail) relationships against SQL server. It’s pretty straightforward and Visual Studio generates all the code for you to properly insert, update and delete your data. However Read More...
Postedby Beth Massi | 39 Comments    
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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...
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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    
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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...
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Tally Rows in a DataSet that Match a Condition
27 April 09 07:24 PM
Today I got a question that comes up often in data application programming about how to count rows in a DataSet that matched a condition. The DataSet may be bound to a DataGridView or other list control and it’s tempting to start looking at the control Read More...
Postedby Beth Massi | 8 Comments    
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Channel 9 Interview: WPF Improvements in VS2010 for Business Apps
24 March 09 09:01 AM
I just posted an interview on Channel 9 on WPF Improvements in Visual Studio 2010 for Building Business Apps . At the MVP Summit a few weeks ago, Italian MVP Alessandro del Sole was so excited about the new WPF features in Visual Studio 2010 that he asked Read More...
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