Query Designer grey out in Visual Studio

This blog shows you why the Query Designer is disable or grey out in Visual Studio.

When you get the View menu to open the Query Designer then you might realize all the buttons in Query Designer is grey out like the one below.

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Go to the Data Connection. Right click on the connection then choose “Delete” to delete the database connection.

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Click Yes.

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Right click on Data Connection then choose “Add Connection…

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Click on “Change… (button)” in Add Connection dialog.

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Choose on “.NET Framework Data Provider for OLE DB (list item)”.

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Click on “OK (button)” in “Change Data Source”

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Select northwind database then click OK.

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Expand the database till you can see the tables. Choose Products table then right click on “New Query (menu item)”.

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You can see the Query Designer is working now.

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Resource:

https://www.youtube.com/watch?v=tMLiMnfjNaI

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About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress (http://www.pcworld.com/article/206455/Microsoft_Live_Spaces_Moves_to_WordPress_An_FAQ.html) till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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