Excellent Learning Tool for Open XML SDK 2.0

For some weeks ago Microsoft announced that they had launched the final version of Open XML SDK 2.0 for Microsoft Office . With this SDK we can create and manipulate Excel workbooks in code without involving Excel and also without having Excel installed. What comes as a bonus with SDK 2.0 is the Open XML SDK 2.0 Productivity Tool for Microsoft Office . I was very pleased and surprised to discover that this is a multipurpose tool that allows us to a) generate reflected code, i.e to see the correct code to interact with the Open XML Documents file format, b) comparing source and target files code and b) validate code

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Excellent Learning Tool for Open XML SDK 2.0

Using Content Controls vs. Custom XML Elements

In my last post, What is “Custom XML” . .

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Using Content Controls vs. Custom XML Elements

Implementing Validation in WPF on Entity Framework Entities

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 (EF). Like LINQ to SQL classes, Entity Framework entities are implemented as partial classes so that you can extend them with your own code on top of the code that the designers generate for you.

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Implementing Validation in WPF on Entity Framework Entities