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Asked: 2026-06-03T04:15:15+00:00

I am trying to load data in to datagrid of SilverLight using Entity Framework

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I am trying to load data in to datagrid of SilverLight using Entity Framework and WCF Service.
For that I have followed the article overe here http://geekswithblogs.net/PeterTweed/archive/2009/07/01/a-simple-silverlight-crud-application–part-1-putting-the.aspx

  1. But problem Is when I have added .edmx file and click on the “Model.edmx” in solution explorer it doesn’t shows me model but instead of that it shows me message as per below image.
    enter image description here

  2. And in Mapping Detail window shows me the message as per below image…instead of Mappings of my database table field and class.
    enter image description here

Thank You so much……..

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1 Answer

  1. Editorial Team

    Check whether tables you have created has primary key or not, because without creating PK for table, EDMX might not show tables model or mapping…

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