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LINQ to SQL N-Tier Smart Client - Part 3 Database Transactions
16 April 08 12:03 PM
In my previous posts this week I showed how to build a simple distributed application with a Windows client, a WCF hosted middle-tier and a data access layer that used LINQ to SQL: LINQ to SQL N-Tier Smart Client - Part 1 Building the Middle-Tier LINQ Read More...
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LINQ to SQL N-Tier Smart Client - Part 2 Building the Client
14 April 08 11:03 AM
In my last post we built the service and data access layer for our LINQ to SQL N-Tier application. In this post we'll walk through building a very simple Windows client form that works with our middle-tier. Adding the Service Reference Now that we have Read More...
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LINQ to SQL N-Tier Smart Client - Part 1 Building the Middle-Tier
12 April 08 09:01 AM
In my previous posts on LINQ to SQL I showed how to build LINQ to SQL classes and set up the data binding in your Windows applications. If you missed them: Related Data Binding and ComboBoxes with LINQ to SQL Creating Lookup Lists with LINQ to SQL One-To-Many Read More...
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Simple Validation with LINQ to SQL Classes
25 February 08 05:04 PM
In the last few posts on LINQ to SQL I've showed how to set up an object model using the O/R designer and how to handle a couple data binding scenarios with Comboboxes here and here . Last post on this topic we implemented a one-to-many data entry form Read More...
Postedby Beth Massi | 29 Comments    
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Support for SQL 2008 Data Types Coming into LINQ to SQL
22 February 08 05:22 PM
Check it out, on the ADO.NET Team blog Faisal Mohamood, a PM on the LINQ to SQL team, posted on the new features you can expect to see added to LINQ to SQL. This includes support for new data types coming in SQL 2008. Enjoy! Read More...
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One-To-Many (Master-Detail) Forms with LINQ to SQL
19 February 08 03:11 PM
In previous posts this month I showed how to use LINQ to SQL classes with a couple different Combobox data binding scenarios. (You can read those articles here and here .) Today I'm going to show you how to create a one-to-many data entry form (and we'll Read More...
Postedby Beth Massi | 38 Comments    
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Creating Lookup Lists with LINQ to SQL
07 February 08 09:00 AM
In yesterday's post I showed you how to bind LINQ to SQL classes to a Combobox in order to filter records on a one-to-many form. Today I want to show you how how you can use a Combobox as a lookup list in order to edit values on a record. We'll be building Read More...
Postedby Beth Massi | 14 Comments    
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Related Data Binding and ComboBoxes with LINQ to SQL
06 February 08 02:07 PM
In a previous post I showed how to set up related data binding using ComboBoxes against DataSets and a loyal reader asked how this would be done using LINQ and Visual Studio 2008. I assume he meant LINQ to SQL in this case, because remember LINQ can be Read More...
Postedby Beth Massi | 23 Comments    
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Quickly Import and Export Excel Data with LINQ to XML
30 October 07 08:00 PM
One really handy thing to do with relational data is to import and export it to Excel. This can be a total snap using LINQ to XML in Visual Basic 2008. For example, let's say I want to import data from an Excel spreadsheet into a local database file like Read More...
Postedby Beth Massi | 49 Comments    
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Attachment(s):ImportExportExcel.zip
LINQ to SQL and One-To-Many Relationships
02 October 07 04:40 PM
Recently a customer sent me a question related to the video I posted on creating a one-to-many form with LINQ to SQL . In that video I use the Northwind database to set up a one-to-many association between the Customers and Orders entities. We all love Read More...
Postedby Beth Massi | 11 Comments    
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Attachment(s):LINQtoSQLDeleteOnNull.zip
Channel 9 Interview - LINQ to SQL and the O/R Designer in VS 2008
27 August 07 04:03 PM
I just posted another great interview on Channel 9 with Young Joo talking about LINQ to SQL and the new O/R Designer in Visual Studio 2008. He demos a typical business client-server scenario and shows how LINQ to SQL classes make it much easier to work Read More...
Postedby Beth Massi | 1 Comments    
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LINQ to SQL Videos from the Community
20 August 07 01:43 PM
Bill Burrows has done it again and created a series of videos to help get you started with LINQ to SQL in Visual Basic! Bill is a great teacher and the style of these videos is off-the-cuff so that you really feel like you are in a classroom learning Read More...
Postedby Beth Massi | 8 Comments    
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Metadata Programming and LINQ
24 July 07 08:44 PM
One of my favorite uses of LINQ is being able to query over metadata and use it to create flexible programs. Conversely, I also like to use LINQ to quickly create metadata about my objects. Metadata simply put is "data about data" or, for example, information Read More...
Postedby Beth Massi | 4 Comments    
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Attachment(s):LINQMetaData1.zip
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