When using LINQ to SQL in one of our projects, we came across a situation where we had to make a lot of changes to the DBML file SqlMetal generates, such as:
- Change all lookup values to enums so that our code looks more elegant
- Modify the generated association member names to our own names for better readability
- Remove unwanted tables/Stored Procedures
- etc.
The add-in looks for an XML file in the same folder as the DBML file with a name as DBML file name "custom.xml". So, if your DBML file name is Northwind.dbml, then your custom mapping file should be named as "northwind.dbml.custom.xml".
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