Before updating scaffolding from new db schema mlp dating

If you have Entity Framework Power Tools installed then you need to disable it and restart Visual Studio before you can import/reverse engineer a database.I hope that gets fixed as Entity Framework Power Tools is very useful.No, the common rule with generated code is not to edit it.In this case the answer is to change the code that is generated during the creation of the classes and is done using some t4 templates, referred to as scaffolding.One warning about using importing scaffolding – Visual Studio threw a nasty error message when I first tried to import using the scaffolding (see stackoverflow entry).It took a bit of finding but it turns out if you have Entity Framework Power Tools Beta 4 installed then they clash.Note: There are two other methods to reverse engineer an existing database: Entity Framework Reverse POCO Code First Generator by Simon Hughes.

before updating scaffolding from new db schema-55before updating scaffolding from new db schema-87before updating scaffolding from new db schema-53

The problem with this is it does not make for efficient SQL commands, as individual SQL SELECT commands are raised for each access to virtual relationships, which is not such as good idea for performance.Once you have installed the You may want to alter the scaffolding more extensively, perhaps by adding a [Key] attribute on primary keys for some reason.All is possible, but you must dig into the .t4 code in more depth.That fixed my problem with EF creating new Sales Order Detail properly and I was away.Having sorted the scaffolding as discussed above then just repeat step 1, ‘Creating the Entity Framework Classes from the existing database’.

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