public void GenerateDataContext(object sender, ExecutedRoutedEventArgs e)
        {
            var databaseInfo = ValidateMenuInfo(sender);

            if (databaseInfo == null)
            {
                return;
            }

            bool isDesktop = false;

            if ((bool)((MenuItem)sender).Tag == true)
            {
                isDesktop = true;
            }

            SqlCeHelper helper = new SqlCeHelper();

            if (!helper.IsV35DbProviderInstalled())
            {
                MessageBox.Show("This feature requires the SQL Server Compact 3.5 SP2 runtime & DbProvider to be installed");
                return;
            }

            string sqlMetalPath = (string)Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A\WinSDK-NetFx40Tools", "InstallationFolder", null);

            if (string.IsNullOrEmpty(sqlMetalPath))
            {
                sqlMetalPath = (string)Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v8.0A", "InstallationFolder", string.Empty) + "bin\\NETFX 4.0 Tools\\";
                if (string.IsNullOrEmpty(sqlMetalPath))
                {
                    MessageBox.Show("Could not find SQLMetal location in registry");
                    return;
                }
            }
            sqlMetalPath = Path.Combine(sqlMetalPath, "sqlmetal.exe");
            if (!File.Exists(sqlMetalPath))
            {
                MessageBox.Show("Could not find SqlMetal in the expected location: " + sqlMetalPath);
                return;
            }
            string sdfFileName = string.Empty;

            string fileName = string.Empty;

            SaveFileDialog fd = new SaveFileDialog();

            fd.Title           = "Save Data Context as";
            fd.Filter          = "C# code (*.cs)|*.cs|VB code|*.vb";
            fd.OverwritePrompt = true;
            fd.ValidateNames   = true;
            bool?fdresult = fd.ShowDialog();

            if (fdresult.HasValue && fdresult.Value == true)
            {
                fileName = fd.FileName;
            }
            if (string.IsNullOrEmpty(fileName))
            {
                return;
            }

            try
            {
                using (IRepository repository = RepoHelper.CreateRepository(databaseInfo.Connectionstring))
                {
                    var    tables        = repository.GetAllTableNames();
                    var    pks           = repository.GetAllPrimaryKeys();
                    string checkedTables = string.Empty;
                    foreach (string tableName in tables)
                    {
                        var pk = pks.Where(k => k.TableName == tableName).FirstOrDefault();
                        if (pk.TableName == null)
                        {
                            checkedTables += tableName + Environment.NewLine;
                        }
                    }
                    if (!string.IsNullOrEmpty(checkedTables))
                    {
                        string message = string.Format("The tables below do not have Primary Keys defined,{0}and will not be generated properly:{1}{2}", Environment.NewLine, Environment.NewLine, checkedTables);
                        MessageBox.Show(message);
                    }
                    List <KeyValuePair <string, string> > dbInfo = repository.GetDatabaseInfo();
                    foreach (var kvp in dbInfo)
                    {
                        if (kvp.Key == "Database")
                        {
                            sdfFileName = kvp.Value;
                            break;
                        }
                    }
                    sdfFileName = Path.GetFileName(sdfFileName);
                }

                string model = Path.GetFileNameWithoutExtension(databaseInfo.Caption).Replace(" ", string.Empty).Replace("#", string.Empty).Replace(".", string.Empty).Replace("-", string.Empty);
                model = model + "Context";
                DataContextDialog dcDialog = new DataContextDialog();
                dcDialog.ModelName    = model;
                dcDialog.IsDesktop    = isDesktop;
                dcDialog.NameSpace    = string.Empty;
                dcDialog.CodeLanguage = "C#";
                bool?result = dcDialog.ShowDialog();
                if (result.HasValue && result.Value == true && (!string.IsNullOrWhiteSpace(dcDialog.ModelName)))
                {
                    if (dcDialog.AddRowversionColumns)
                    {
                        AddRowVersionColumns(databaseInfo);
                    }

                    string sdfPath = databaseInfo.Connectionstring;

#if V35
#else
                    //If version 4.0, create a 3.5 schema sdf, and use that as connection string
                    if (isDesktop)
                    {
                        var tempFile = Path.GetTempFileName();
                        using (IRepository repository = RepoHelper.CreateRepository(databaseInfo.Connectionstring))
                        {
                            var generator = RepoHelper.CreateGenerator(repository, tempFile);
                            generator.ScriptDatabaseToFile(Scope.Schema);
                        }
                        sdfPath = Path.Combine(Path.GetTempPath(), sdfFileName);
                        if (File.Exists(sdfPath))
                        {
                            File.Delete(sdfPath);
                        }
                        sdfPath = "Data Source=" + sdfPath;

                        helper.CreateDatabase(sdfPath);
                        using (IRepository repository = new DBRepository(sdfPath))
                        {
                            string script = File.ReadAllText(tempFile);
                            repository.ExecuteSql(script);
                        }
                    }
#endif
                    int versionNumber = GetVersionTableNumber(databaseInfo.Connectionstring, isDesktop);

                    model = dcDialog.ModelName;
                    string dcPath     = fileName;
                    string parameters = " /provider:SQLCompact /code:\"" + dcPath + "\"";
                    parameters += " /conn:\"" + sdfPath + "\"";
                    parameters += " /context:" + model;
                    if (dcDialog.Pluralize)
                    {
                        parameters += " /pluralize";
                    }
                    if (!string.IsNullOrWhiteSpace(dcDialog.NameSpace))
                    {
                        parameters += " /namespace:" + dcDialog.NameSpace;
                    }
                    var dcH = new ErikEJ.SqlCeScripting.DataContextHelper();

                    string sqlmetalResult = dcH.RunSqlMetal(sqlMetalPath, parameters);

                    if (!File.Exists(dcPath))
                    {
                        MessageBox.Show("Error during SQL Metal run: " + sqlmetalResult);
                        return;
                    }

                    if (!isDesktop)
                    {
                        using (IRepository repository = RepoHelper.CreateRepository(databaseInfo.Connectionstring))
                        {
                            if (dcDialog.CodeLanguage == "VB")
                            {
                                DataContextHelper.FixDataContextVB(dcPath, model, dcDialog.NameSpace, sdfFileName, repository);
                            }
                            else
                            {
                                DataContextHelper.FixDataContextCS(dcPath, model, dcDialog.NameSpace, sdfFileName, repository);
                            }
                        }
                    }

                    // Creates __Version table and adds one row if desired
                    if (!isDesktop && dcDialog.AddVersionTable)
                    {
                        using (IRepository repository = RepoHelper.CreateRepository(databaseInfo.Connectionstring))
                        {
                            var list = repository.GetAllTableNames();
                            if (!list.Contains("__VERSION"))
                            {
                                repository.ExecuteSql(string.Format(@"
                                CREATE TABLE [__VERSION] (
                                  [SchemaVersion] int NOT NULL
                                , [DateUpdated] datetime NOT NULL DEFAULT (GETDATE())
                                );
                                GO
                                CREATE INDEX [IX_SchemaVersion] ON [__VERSION] ([SchemaVersion] DESC);
                                GO
                                INSERT INTO [__VERSION] ([SchemaVersion]) VALUES ({0});
                                GO", versionNumber));
                            }
                        }
                    }
                    MessageBox.Show("DataContext class successfully created");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(Helpers.DataConnectionHelper.ShowErrors(ex));
            }
        }