Reopening model in ADO.NET entity designer impossible?

in .NET Development, Uncategorized

The designer of the ADO.NET entity framework seems to be in very early stadium. One of its known bugs is the reopening issue, which means, if the designer was once openend and closed, it isn’t possible to re-open the model again in the designer view. Double clicking the .edmx file will take no effect.

One  solution to re-open the entity model again is:

  • Right click the .edmx file in Visual Studio 2008 and choose “Open with…”
  • In the list, choose “XML Editor”
  • After opening the file in its XML view, close the view
  • Now, double click the .edmx file and the designer opens again!
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