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EDM Generator (EdmGen.exe)

EdmGen.exe is a command-line tool used for working with Entity Framework model and mapping files. You can use the EdmGen.exe tool to do the following:

The EdmGen.exe tool is installed in the .NET Framework directory. In many cases, this is located in C:\windows\Microsoft.NET\Framework\v4.0. For 64-bit systems, this is located in C:\windows\Microsoft.NET\Framework64\v4.0. You can also access the EdmGen.exe tool from the Visual Studio command prompt (Click Start, point to All Programs, point to Microsoft Visual Studio 2010, point to Visual Studio Tools, and then click Visual Studio 2010 Command Prompt).


EdmGen /mode:choice [options]

When using the EdmGen.exe tool, you must specify one of the following modes.

Mode Description

/mode:ValidateArtifacts

Validates the .csdl, .ssdl, and .msl files and displays any errors or warnings.

This option requires at least one of the /inssdl or /incsdl arguments. If /inmsl is specified, the /inssdl and /incsdl arguments are also required.

/mode:FullGeneration

Uses the database connection information specified in the /connectionstring option and generates .csdl, .ssdl, .msl, object layer, and view files.

This option requires a /connectionstring argument and either a /project argument or /outssdl, /outcsdl, /outmsdl, /outobjectlayer, /outviews, /namespace, and /entitycontainer arguments.

/mode:FromSSDLGeneration

Generates .csdl and .msl files, source code, and views from the specified .ssdl file.

This option requires the /inssdl argument and either a /project argument or the /outcsdl, /outmsl, /outobjectlayer, /outviews, /namespace, and /entitycontainer arguments.

/mode:EntityClassGeneration

Creates a source code file that contains the classes generated from the .csdl file.

This option requires the /incsdl argument and either the /project argument or the /outobjectlayer argument. The /language argument is optional.

/mode:ViewGeneration

Creates a source code file that contains the views generated from the .csdl, .ssdl, and .msl files.

This option requires the /inssdl, /incsdl, /inmsl, and either the /project or /outviews arguments. The /language argument is optional.

Option Description

/p[roject]:<string>

Specifies the project name to use. The project name is used as a default for the namespace setting, the name of the model and mapping files, the name of object source file, and the name of view generation source file. The entity container name is set to <project>Context.

/prov[ider]:<string>

The name of the .NET Framework data provider to be used to generate the storage model (.ssdl) file. The default provider is the .NET Framework Data Provider for SQL Server (System.Data.SqlClient).

/c[onnectionstring]:<connection string>

Specifies the string that is used to connect to the data source.

/incsdl:<file>

Specifies the .csdl file or a directory where the .csdl files are located. This argument can be specified multiple times so that you can specify several directories or .csdl files. Specifying multiple directories can be useful for generating classes (/mode:EntityClassGeneration) or views (/mode:ViewGeneration) when the conceptual model is split across several files. This can also be useful when you want to validate multiple models (/mode:ValidateArtifacts).

/refcsdl:<file>

Specifies the additional .csdl file or files used to resolve any references in the source .csdl file. (The source .csdl file is, the file specified by the /incsdl option). The /refcsdl file contains types that the source .csdl file is dependent upon. This argument can be specified multiple times.

/inmsl:<file>

Specifies the .msl file or a directory where the .msl files are located. This argument can be specified multiple times so that you can specify several directories or .msl files. Specifying multiple directories can be useful for generating views (/mode:ViewGeneration) when the conceptual model is split across several files. This can also be useful when you want to validate multiple models (/mode:ValidateArtifacts).

/inssdl:<file>

Specifies the .ssdl file or a directory where the .ssdl file is located.

/outcsdl:<file>

Specifies the name of the .csdl file that will be created.

/outmsl:<file>

Specifies the name of the .msl file that will be created.

/outssdl:<file>

Specifies the name of the .ssdl file that will be created.

/outobjectlayer:<file>

Specifies the name of the source code file that contains the objects generated from the .csdl file.

/outviews:<file>

Specifies the name of the source code file that contains the views that were generated.

/language:[VB|CSharp]

Specifies the language for the generated source code files. The language defaults to C#.

/namespace:<string>

Specifies the model namespace to use. The namespace is set in the .csdl file when running /mode:FullGeneration or /mode:FromSSDLGeneration. The namespace is not used when running /mode:EntityClassGeneration.

/entitycontainer:<string>

Specifies the name to apply to the <EntityContainer> element in the generated model and mapping files.

/pl[uralize]

Applies English-language rules for singulars and plurals to Entity, EntitySet, and NavigationProperty names in the conceptual model. This option will perform the following actions:

  • Make all EntityType names singular.

  • Make all EntitySet names plural.

  • For each NavigationProperty that returns at most one entity, make the name singular.

  • For each NavigationProperty that returns more than one entity, make the name plural.

/SupressForeignKeyProperties or /nofk

Prevents foreign key columns from being exposed as scalar properties on entity types in the conceptual model.

/help or ?

Displays command syntax and options for the tool.

/nologo

Suppresses the copyright message from displaying.

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