Object Relational Designer (O/R Designer)
The O/R Designer is an editor which can be used by developers to
create the LINQ to SQL mapping. In Visual Studio 2008, the O/R designer automatically
opens up when we add an item of type LINQ to SQL Classes, once an
item of type LINQ to SQL Classes is added and saved a DataContext
is automatically created which can be used by the developers to access the
objects.
The O/R Designer has 2 panels. The Left side panel is the designer panel
where we can drag and drop the required tables from the Server explorer; the
designer will internally generate the Object table mapping. The right side
panel also called the methods panel, is used to perform advanced configurations
like mapping to stored procedures or functions from the database.
The O/R Designer looks as follows.
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