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Adhoc testing of .NET RIA Services by preishuber

Suddenly my Silverlight 3 application breaks during development process. Cause I have installed Visual Studio 2010 a few hours before, I was sure: must be something with 2010 . After uninstall and reinstall SP1 everything worked fine, except .NET RIA...
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Silverlight 3 Beta to RTW changes by preishuber

It is very important that your applications are ready for Silverlight 3. If you have developed with the Beta bits you have to do a lot of changes to get ready for RTW. There exists a document changes.docx which I can not find at the moment. For that reason...
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ADO.NET Dataservice This collection already contains an address with scheme http PartII by preishuber

You may have searched for This collection already contains an address with scheme http.  There can be at most one address per scheme in this collection. Parameter name: item I have written some time ago a blog post which have a workaround with removing...
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Silverlight 2.0 Compression Rate by preishuber

After a short discussion in silverlight forums with a guy who have only 19kb line, I checked out compression for XAP files. A XAP is a zipped package of DLL’s and resources. With winrar installed you can open by context menu from Visual Studio Explorer...
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B# and Silverlight Isolated Storage by preishuber

I am a VB developer. As most of expert coder are using C# I must step forward. B# is the language which can be written by VB guys and make it readable for C# gurus. Today's topic is the data store of Silverlight on client side- isolated storage. Isolated...
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Input Validation with Silverlight by preishuber

I miss ASP.NET. With the 2.0 Microsoft had the world best technology for creating applications of all kind. Small or large, ASP.NET 2.0 have features for all. Now several years later we have Silverlight 2 (no 2.0) and should be good as ASP.NET 2.0!? I...
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Rownumber in Silverlight Datagrid or Listbox by preishuber

My next sample uses a converter to show a line number within a datalist. I am not really satisfied with the solution, perhaps I will find in future a better way. But the concept is quite interesting and it works. First we need a TextBlock to display the...
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get ID inside a Silverlight Datagrid when Button clicked by preishuber

This blog pots describes a datagrid and a encapsulated custom button for each row. I want to show two methods how to get information about the underlaying data of the row. I use a ado.net data service and a entity datamodel, which is not part of the article...
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Silverlight Multiselect Listbox by preishuber

The Listbox control of Silverlight 2 have no multi selection. Datagrid have! I want to show how to build a Listbox with Checkboxes and iterate at the end through all items an see if they are checked. Seams to be easy!? But isn't.  You can not access...
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ADO.NET Dataservices: Fancy Error Part II by preishuber

Today my first Silverlight 2 application goes live. It is a customer feedback app for the ADC 08 conference. After successfully installed and tested a few hours everything went well. But then data was not show. on direct call of ado.net dataservice vcs...
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