[The original]vs2012 created by the ADO model can not be instantiated problems

Source: Internet
Author: User

Recently upgraded from VS2010 to vs2012, the data model was built, and it was found that the generated things were different and could not be instantiated. Baidu tried n kinds of keywords, and finally I found a way to solve. Keep a record here.

1. Open the designer, that is, double-click the

2. When no object is selected, locate the property, code generation policy, from no change to default

3. Delete the two TT files under the EDMX

4. Rebuild the project

Original link: http://www.xukailun.me/tag/VS2012/

[The original]vs2012 created by the ADO model can not be instantiated problems

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