C:\Windows\Microsoft.NET\Framework\v3.5.20209>EdmGen.exe /?
Microsoft (R) EdmGen version 2.0.0.0
Copyright (C) Microsoft Corporation 2006. All rights reserved.

                                 EdmGen Options
/mode:ValidateArtifacts                 Validate the ssdl, msl, and csdl files
/mode:FullGeneration                    Generate ssdl, msl, csdl, and objects
                                        from the database
/mode:FromSsdlGeneration                Generate msl, csdl, and objects from an
                                        ssdl file
/mode:EntityClassGeneration             Generate objects from a csdl file
/mode:ViewGeneration                    Generate mapping views from ssdl, msl,
                                        and csdl files
/project:<string>                       The base name to be used for all the
                                        artifact files (short form: /p)
/connectionstring:<connection string>   The connection string to the database
                                        that you would like to connect to (short
                                        form: /c)
/incsdl:<file>                          The file to read the conceptual model
                                        from
/inmsl:<file>                           The file to read the mapping from
/inssdl:<file>                          The file to read the storage model from
/outcsdl:<file>                         The file to write the generated
                                        conceptual model to
/outmsl:<file>                          The file to write the generated mapping
                                        to
/outssdl:<file>                         The file to write the generated storage
                                        model to
/outobjectlayer:<file>                  The file to write the generated object
                                        layer to
/outviews:<file>                        The file to write the pre generated view
                                        objects to
/language:Vb                            Generate code using the VB language
/language:CSharp                        Generate code using the C# language
/namespace:<string>                     The namespace name to use for the
                                        conceptual modely types
/entitycontainer:<string>               The name to use for the EntityContainer
                                        in the conceptual model
/help                                   Display the usage message (short form:
                                        /?)
/nologo                                 Suppress copyright message