internal static void GenerateDatabaseScriptFromModel(EntityDesignArtifact artifact)
        {
            VsUtils.EnsureProvider(artifact);

            var project = VSHelpers.GetProjectForDocument(artifact.Uri.LocalPath, PackageManager.Package);
            var sp      = Services.ServiceProvider;
            ModelBuilderWizardForm form;

            ModelBuilderWizardForm.WizardMode startMode;
            ModelBuilderSettings settings;

            // Start the hourglass, especially because we'll be incurring a perf hit from validating
            using (new VsUtils.HourglassHelper())
            {
                // Before running the Generate Database wizard, we have to make sure that the C-Side validates
                VisualStudioEdmxValidator.LoadAndValidateFiles(artifact.Uri);

                if (
                    artifact.ArtifactSet.GetAllErrors()
                    .Count(ei => ei.ErrorClass == ErrorClass.Runtime_CSDL || ei.ErrorClass == ErrorClass.Escher_CSDL) > 0)
                {
                    VsUtils.ShowErrorDialog(Resources.DatabaseCreation_ValidationFailed);
                    return;
                }

                // set up ModelBuilderSettings
                ModelBuilderEngine.SetupSettingsAndModeForDbPages(
                    sp, project, artifact, false,
                    ModelBuilderWizardForm.WizardMode.PerformDatabaseConfigAndDBGenSummary,
                    ModelBuilderWizardForm.WizardMode.PerformDBGenSummaryOnly, out startMode, out settings);

                form = new ModelBuilderWizardForm(sp, settings, startMode);
            }

            var originalSchemaVersion = settings.TargetSchemaVersion;

            try
            {
                // start the ModelBuilderWizardForm; this will start the workflow in another thread.
                form.Start();
            }
            catch (Exception e)
            {
                VsUtils.ShowErrorDialog(
                    String.Format(
                        CultureInfo.CurrentCulture,
                        Resources.ModelObjectItemWizard_UnexpectedExceptionHasOccurred,
                        e.Message));
                return;
            }

            // if Wizard was cancelled or the user hit 'X' to close window
            // no need for any further action
            if (form.WizardCancelled ||
                !form.WizardFinished)
            {
                return;
            }

            // If database was configured, add DbContext templates
            if (startMode == ModelBuilderWizardForm.WizardMode.PerformDatabaseConfigAndDBGenSummary)
            {
                var edmxItem = VsUtils.GetProjectItemForDocument(artifact.Uri.LocalPath, sp);
                new DbContextCodeGenerator().AddDbContextTemplates(edmxItem, settings.UseLegacyProvider);

                // We need to reload the artifact if we updated the edmx as part of generating
                // model from the database.
                if (settings.TargetSchemaVersion != originalSchemaVersion)
                {
                    artifact.ReloadArtifact();
                }
            }
        }
        internal static void UpdateModelFromDatabase(EntityDesignArtifact artifact)
        {
            VsUtils.EnsureProvider(artifact);

            var project         = VSHelpers.GetProjectForDocument(artifact.Uri.LocalPath, PackageManager.Package);
            var serviceProvider = Services.ServiceProvider;

            // set up ModelBuilderSettings for startMode=PerformDatabaseConfigAndSelectTables
            ModelBuilderWizardForm.WizardMode startMode;
            ModelBuilderSettings settings;

            ModelBuilderEngine.SetupSettingsAndModeForDbPages(
                serviceProvider, project, artifact, true,
                ModelBuilderWizardForm.WizardMode.PerformDatabaseConfigAndSelectTables,
                ModelBuilderWizardForm.WizardMode.PerformSelectTablesOnly, out startMode, out settings);
            settings.WizardKind = WizardKind.UpdateModel;

            // use existing storage namespace as new storage namespace
            if (null != artifact.StorageModel() &&
                null != artifact.StorageModel().Namespace &&
                !string.IsNullOrEmpty(artifact.StorageModel().Namespace.Value))
            {
                settings.StorageNamespace = artifact.StorageModel().Namespace.Value;
            }

            // use existing model namespace as new model namespace (this only affects the temporary
            // artifact but there is a situation where the C-side EntityContainer has been given the
            // same name as the default model namespace where not setting this causes the temporary
            // artifact to be unreadable because of symbol clashes)
            if (null != artifact.ConceptualModel() &&
                null != artifact.ConceptualModel().Namespace &&
                !string.IsNullOrEmpty(artifact.ConceptualModel().Namespace.Value))
            {
                settings.ModelNamespace = artifact.ConceptualModel().Namespace.Value;
            }

            settings.ModelBuilderEngine = new UpdateModelFromDatabaseModelBuilderEngine();

            // call the ModelBuilderWizardForm
            var form = new ModelBuilderWizardForm(serviceProvider, settings, startMode);

            try
            {
                form.Start();
            }
            catch (Exception e)
            {
                VsUtils.ShowErrorDialog(
                    string.Format(
                        CultureInfo.CurrentCulture,
                        Resources.ModelObjectItemWizard_UnexpectedExceptionHasOccurred,
                        e.Message));
                return;
            }

            // if Wizard was cancelled or the user hit 'X' to close window
            // no need for any further action
            if (form.WizardCancelled ||
                !form.WizardFinished)
            {
                return;
            }

            // Update the app. or web.config, register build providers etc
            ConfigFileUtils.UpdateConfig(settings);

            // clear all previous errors for this document first
            ErrorListHelper.ClearErrorsForDocAcrossLists(settings.Artifact.Uri);

            // log any errors that occurred during model-gen to the error list
            ErrorListHelper.LogUpdateModelWizardErrors(settings.ModelBuilderEngine.Errors, settings.Artifact.Uri.LocalPath);

            // use form.ModelBuilderSettings to look at accumulated info and
            // take appropriate action
            var editingContext       = PackageManager.Package.DocumentFrameMgr.EditingContextManager.GetNewOrExistingContext(artifact.Uri);
            var shouldReloadArtifact = ProcessAccumulatedInfo(editingContext, artifact, settings);

            // If database was configured, add DbContext templates
            if (startMode == ModelBuilderWizardForm.WizardMode.PerformDatabaseConfigAndSelectTables)
            {
                var edmxItem = VsUtils.GetProjectItemForDocument(artifact.Uri.LocalPath, serviceProvider);
                new DbContextCodeGenerator().AddDbContextTemplates(edmxItem, settings.UseLegacyProvider);
            }

            // We can reload only after we added EF references to the project otherwise we would get a watermark
            // saying that the schema version does not match the referenced EF version which would not be true.
            // If we reload becuase there was an extension that potentially modified the artifact then it does not matter.
            if (shouldReloadArtifact)
            {
                artifact.ReloadArtifact();
                artifact.IsDirty = true;
            }
        }