protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.Droplist_Tables.Items.Add("-Select One-");
var storeGenerator = new EntityStoreSchemaGenerator(
"System.Data.SqlClient",
ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString,
"namespace");
storeGenerator.GenerateStoreMetadata();
var tables = storeGenerator.StoreItemCollection
.GetItems<EntityContainer>()
.Single()
.BaseEntitySets
.OfType<EntitySet>()
.Where(s => !s.MetadataProperties.Contains("Type")
|| s.MetadataProperties["Type"].ToString() == "Tables");
foreach (var table in tables)
{
this.Droplist_Tables.Items.Add(table.Name);
}
//Add delete button to gridview
//GridButtonColumn deleteButton = new GridButtonColumn();
//this.tableGrid.MasterTableView.Columns.Add(deleteButton);
//deleteButton.UniqueName = "deleteButton";
//deleteButton.HeaderText = "Delete";
//deleteButton.Text = "Delete";
//deleteButton.ConfirmText = "Are you sure you want to delete this record?";
//deleteButton.ButtonType = GridButtonColumnType.LinkButton;
//deleteButton.CommandName = "Delete";
//Add edit button to gridview
GridButtonColumn detailsButton = new GridButtonColumn();
this.tableGrid.MasterTableView.Columns.Add(detailsButton);
detailsButton.UniqueName = "detailsButton";
detailsButton.HeaderText = "Details";
detailsButton.Text = "Details";
detailsButton.ButtonType = GridButtonColumnType.LinkButton;
detailsButton.CommandName = "Details";
}
}
public void ReverseEngineerCodeFirst(Project project)
{
DebugCheck.NotNull(project);
try
{
// Show dialog with SqlClient selected by default
var dialogFactory = _package.GetService<IVsDataConnectionDialogFactory>();
var dialog = dialogFactory.CreateConnectionDialog();
dialog.AddAllSources();
dialog.SelectedSource = new Guid("067ea0d9-ba62-43f7-9106-34930c60c528");
var dialogResult = dialog.ShowDialog(connect: true);
if (dialogResult != null)
{
// Find connection string and provider
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_LoadSchema;
var connection = (DbConnection)dialogResult.GetLockedProviderObject();
var connectionString = connection.ConnectionString;
var providerManager = (IVsDataProviderManager)Package.GetGlobalService(typeof(IVsDataProviderManager));
IVsDataProvider dp;
providerManager.Providers.TryGetValue(dialogResult.Provider, out dp);
var providerInvariant = (string)dp.GetProperty("InvariantName");
// Load store schema
var storeGenerator = new EntityStoreSchemaGenerator(providerInvariant, connectionString, "dbo");
storeGenerator.GenerateForeignKeyProperties = true;
var errors = storeGenerator.GenerateStoreMetadata(_storeMetadataFilters).Where(e => e.Severity == EdmSchemaErrorSeverity.Error);
errors.HandleErrors(Strings.ReverseEngineer_SchemaError);
// Generate default mapping
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_GenerateMapping;
var contextName = connection.Database.Replace(" ", string.Empty).Replace(".", string.Empty) + "Context";
var modelGenerator = new EntityModelSchemaGenerator(storeGenerator.EntityContainer, "DefaultNamespace", contextName);
modelGenerator.PluralizationService = PluralizationService.CreateService(new CultureInfo("en"));
modelGenerator.GenerateForeignKeyProperties = true;
modelGenerator.GenerateMetadata();
// Pull out info about types to be generated
var entityTypes = modelGenerator.EdmItemCollection.OfType<EntityType>().ToArray();
var mappings = new EdmMapping(modelGenerator, storeGenerator.StoreItemCollection);
// Find the project to add the code to
var vsProject = (VSLangProj.VSProject)project.Object;
var projectDirectory = new FileInfo(project.FileName).Directory;
var projectNamespace = (string)project.Properties.Item("RootNamespace").Value;
var references = vsProject.References.Cast<VSLangProj.Reference>();
if (!references.Any(r => r.Name == "EntityFramework"))
{
// Add EF References
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_InstallEntityFramework;
try
{
project.InstallPackage("EntityFramework");
}
catch (Exception ex)
{
_package.LogError(Strings.ReverseEngineer_InstallEntityFrameworkError, ex);
}
}
// Generate Entity Classes and Mappings
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_GenerateClasses;
var templateProcessor = new TemplateProcessor(project);
var modelsNamespace = projectNamespace + ".Models";
var modelsDirectory = Path.Combine(projectDirectory.FullName, "Models");
var mappingNamespace = modelsNamespace + ".Mapping";
var mappingDirectory = Path.Combine(modelsDirectory, "Mapping");
var entityFrameworkVersion = GetEntityFrameworkVersion(references);
foreach (var entityType in entityTypes)
{
// Generate the code file
var entityHost = new EfTextTemplateHost
{
EntityType = entityType,
EntityContainer = modelGenerator.EntityContainer,
Namespace = modelsNamespace,
ModelsNamespace = modelsNamespace,
MappingNamespace = mappingNamespace,
EntityFrameworkVersion = entityFrameworkVersion,
TableSet = mappings.EntityMappings[entityType].Item1,
PropertyToColumnMappings = mappings.EntityMappings[entityType].Item2,
ManyToManyMappings = mappings.ManyToManyMappings
};
var entityContents = templateProcessor.Process(Templates.EntityTemplate, entityHost);
var filePath = Path.Combine(modelsDirectory, entityType.Name + entityHost.FileExtension);
project.AddNewFile(filePath, entityContents);
var mappingHost = new EfTextTemplateHost
{
EntityType = entityType,
EntityContainer = modelGenerator.EntityContainer,
Namespace = mappingNamespace,
ModelsNamespace = modelsNamespace,
MappingNamespace = mappingNamespace,
EntityFrameworkVersion = entityFrameworkVersion,
TableSet = mappings.EntityMappings[entityType].Item1,
PropertyToColumnMappings = mappings.EntityMappings[entityType].Item2,
ManyToManyMappings = mappings.ManyToManyMappings
};
var mappingContents = templateProcessor.Process(Templates.MappingTemplate, mappingHost);
var mappingFilePath = Path.Combine(mappingDirectory, entityType.Name + "Map" + mappingHost.FileExtension);
project.AddNewFile(mappingFilePath, mappingContents);
}
// Generate Context
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_GenerateContext;
var contextHost = new EfTextTemplateHost
{
EntityContainer = modelGenerator.EntityContainer,
Namespace = modelsNamespace,
ModelsNamespace = modelsNamespace,
MappingNamespace = mappingNamespace,
EntityFrameworkVersion = entityFrameworkVersion
};
var contextContents = templateProcessor.Process(Templates.ContextTemplate, contextHost);
var contextFilePath = Path.Combine(modelsDirectory, modelGenerator.EntityContainer.Name + contextHost.FileExtension);
var contextItem = project.AddNewFile(contextFilePath, contextContents);
AddConnectionStringToConfigFile(project, connectionString, providerInvariant, modelGenerator.EntityContainer.Name);
if (contextItem != null)
{
// Open context class when done
_package.DTE2.ItemOperations.OpenFile(contextFilePath);
}
_package.DTE2.StatusBar.Text = Strings.ReverseEngineer_Complete;
}
}
catch (Exception exception)
{
_package.LogError(Strings.ReverseEngineer_Error, exception);
}
}
private static void ModelGen(
string connectionString, string provider, string modelName, Version version, bool includeForeignKeys)
{
IList<EdmSchemaError> ssdlErrors = null;
IList<EdmSchemaError> csdlAndMslErrors = null;
// generate the SSDL
string ssdlNamespace = modelName + "Model.Store";
EntityStoreSchemaGenerator essg =
new EntityStoreSchemaGenerator(
provider, connectionString, ssdlNamespace);
essg.GenerateForeignKeyProperties = includeForeignKeys;
ssdlErrors = essg.GenerateStoreMetadata(new List<EntityStoreSchemaFilterEntry>(), version);
// detect if there are errors or only warnings from ssdl generation
bool hasSsdlErrors = false;
bool hasSsdlWarnings = false;
if (ssdlErrors != null)
{
foreach (EdmSchemaError e in ssdlErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasSsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasSsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasSsdlErrors && hasSsdlWarnings)
{
System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(ssdlErrors);
}
// if there were errors abort. Continue if there were only warnings
if (hasSsdlErrors)
{
return;
}
// write the SSDL to a string
StringWriter ssdl = new StringWriter();
XmlWriter ssdlxw = XmlWriter.Create(ssdl);
essg.WriteStoreSchema(ssdlxw);
ssdlxw.Flush();
// generate the CSDL
string csdlNamespace = modelName + "Model";
string csdlEntityContainerName = modelName + "Entities";
EntityModelSchemaGenerator emsg =
new EntityModelSchemaGenerator(
essg.EntityContainer, csdlNamespace, csdlEntityContainerName);
emsg.GenerateForeignKeyProperties = includeForeignKeys;
csdlAndMslErrors = emsg.GenerateMetadata(version);
// detect if there are errors or only warnings from csdl/msl generation
bool hasCsdlErrors = false;
bool hasCsdlWarnings = false;
if (csdlAndMslErrors != null)
{
foreach (EdmSchemaError e in csdlAndMslErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasCsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasCsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasCsdlErrors || hasCsdlWarnings)
{
System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(csdlAndMslErrors);
}
// if there were errors, abort. Don't abort if there were only warnigns.
if (hasCsdlErrors)
{
return;
}
// write CSDL to a string
StringWriter csdl = new StringWriter();
XmlWriter csdlxw = XmlWriter.Create(csdl);
emsg.WriteModelSchema(csdlxw);
csdlxw.Flush();
// write MSL to a string
StringWriter msl = new StringWriter();
XmlWriter mslxw = XmlWriter.Create(msl);
emsg.WriteStorageMapping(mslxw);
mslxw.Flush();
// write csdl, ssdl & msl to the EDMX file
ToEdmx(
csdl.ToString(), ssdl.ToString(), msl.ToString(), new FileInfo(
modelName + ".edmx"));
}
private static void ModelGen(
string connectionString, string provider, string modelName)
{
IList<EdmSchemaError> ssdlErrors = null;
IList<EdmSchemaError> csdlAndMslErrors = null;
// generate the SSDL
string ssdlNamespace = modelName + "Model.Store";
EntityStoreSchemaGenerator essg =
new EntityStoreSchemaGenerator(
provider, connectionString, ssdlNamespace);
ssdlErrors = essg.GenerateStoreMetadata();
// write out errors
if ((ssdlErrors != null && ssdlErrors.Count > 0))
{
System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(ssdlErrors);
return;
}
// write the SSDL to a string
StringWriter ssdl = new StringWriter();
XmlWriter ssdlxw = XmlWriter.Create(ssdl);
essg.WriteStoreSchema(ssdlxw);
ssdlxw.Flush();
// generate the CSDL
string csdlNamespace = modelName + "Model";
string csdlEntityContainerName = modelName + "Entities";
EntityModelSchemaGenerator emsg =
new EntityModelSchemaGenerator(
essg.EntityContainer, csdlNamespace, csdlEntityContainerName);
csdlAndMslErrors = emsg.GenerateMetadata();
// write out errors
if (csdlAndMslErrors != null && csdlAndMslErrors.Count > 0)
{
System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(csdlAndMslErrors);
return;
}
// write CSDL to a string
StringWriter csdl = new StringWriter();
XmlWriter csdlxw = XmlWriter.Create(csdl);
emsg.WriteModelSchema(csdlxw);
csdlxw.Flush();
// write MSL to a string
StringWriter msl = new StringWriter();
XmlWriter mslxw = XmlWriter.Create(msl);
emsg.WriteStorageMapping(mslxw);
mslxw.Flush();
// write csdl, ssdl & msl to the EDMX file
ToEdmx(
csdl.ToString(), ssdl.ToString(), msl.ToString(), new FileInfo(
modelName + ".edmx"));
}
// End Added ErikEJ
#region the functions that actually do the interesting things
private static void ModelGen(
string connectionString, string provider, string modelName, Version version, bool includeForeignKeys, bool pluralize, List<string> tables)
{
IList<EdmSchemaError> ssdlErrors = null;
IList<EdmSchemaError> csdlAndMslErrors = null;
// generate the SSDL
string ssdlNamespace = modelName + "Model.Store";
EntityStoreSchemaGenerator essg =
new EntityStoreSchemaGenerator(
provider, connectionString, ssdlNamespace);
essg.GenerateForeignKeyProperties = includeForeignKeys;
//ErikEJ Filter selected tables
var filters = new List<EntityStoreSchemaFilterEntry>();
foreach (var table in tables)
{
var entry = new EntityStoreSchemaFilterEntry(null, null, table);
filters.Add(entry);
}
ssdlErrors = essg.GenerateStoreMetadata(filters, version);
// detect if there are errors or only warnings from ssdl generation
bool hasSsdlErrors = false;
bool hasSsdlWarnings = false;
if (ssdlErrors != null)
{
foreach (EdmSchemaError e in ssdlErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasSsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasSsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasSsdlErrors && hasSsdlWarnings)
{
//System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(ssdlErrors);
}
// if there were errors abort. Continue if there were only warnings
if (hasSsdlErrors)
{
return;
}
// write the SSDL to a string
using (StringWriter ssdl = new StringWriter())
{
XmlWriter ssdlxw = XmlWriter.Create(ssdl);
essg.WriteStoreSchema(ssdlxw);
ssdlxw.Flush();
// generate the CSDL
string csdlNamespace = modelName + "Model";
string csdlEntityContainerName = modelName + "Entities";
EntityModelSchemaGenerator emsg =
new EntityModelSchemaGenerator(
essg.EntityContainer, csdlNamespace, csdlEntityContainerName);
emsg.GenerateForeignKeyProperties = includeForeignKeys;
// Begin Added ErikEJ
if (pluralize)
emsg.PluralizationService = System.Data.Entity.Design.PluralizationServices.PluralizationService.CreateService(new System.Globalization.CultureInfo("en-US"));
// End Added ErikEJ
csdlAndMslErrors = emsg.GenerateMetadata(version);
// detect if there are errors or only warnings from csdl/msl generation
bool hasCsdlErrors = false;
bool hasCsdlWarnings = false;
if (csdlAndMslErrors != null)
{
foreach (EdmSchemaError e in csdlAndMslErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasCsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasCsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasCsdlErrors || hasCsdlWarnings)
{
//System.Console.WriteLine("Errors occurred during generation:");
WriteErrors(csdlAndMslErrors);
}
// if there were errors, abort. Don't abort if there were only warnigns.
if (hasCsdlErrors)
{
return;
}
// write CSDL to a string
using (StringWriter csdl = new StringWriter())
{
XmlWriter csdlxw = XmlWriter.Create(csdl);
emsg.WriteModelSchema(csdlxw);
csdlxw.Flush();
// write MSL to a string
using (StringWriter msl = new StringWriter())
{
XmlWriter mslxw = XmlWriter.Create(msl);
emsg.WriteStorageMapping(mslxw);
mslxw.Flush();
// write csdl, ssdl & msl to the EDMX file
ToEdmx(
csdl.ToString(), ssdl.ToString(), msl.ToString(), new FileInfo(
modelName + ".edmx"), includeForeignKeys, pluralize);
}
}
}
}
public static bool ModelGen(string connectionString, string provider, string modelName, Version version, bool includeForeignKeys, out String modelOut, out List<Object> errors)
{
modelOut = String.Empty;
errors = new List<Object>();
IList<EdmSchemaError> ssdlErrors = null;
IList<EdmSchemaError> csdlAndMslErrors = null;
// generate the SSDL
string ssdlNamespace = modelName + "Model.Store";
EntityStoreSchemaGenerator essg = new EntityStoreSchemaGenerator(provider, connectionString, ssdlNamespace);
essg.GenerateForeignKeyProperties = includeForeignKeys;
ssdlErrors = essg.GenerateStoreMetadata(new List<EntityStoreSchemaFilterEntry>(), version);
// detect if there are errors or only warnings from ssdl generation
bool hasSsdlErrors = false;
bool hasSsdlWarnings = false;
if (ssdlErrors != null)
{
foreach (EdmSchemaError e in ssdlErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasSsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasSsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasSsdlErrors && hasSsdlWarnings)
{
errors.AddRange(ssdlErrors);
}
// if there were errors abort. Continue if there were only warnings
if (hasSsdlErrors)
{
return true;
}
// write the SSDL to a string
StringWriter ssdl = new StringWriter();
XmlWriter ssdlxw = XmlWriter.Create(ssdl);
essg.WriteStoreSchema(ssdlxw);
ssdlxw.Flush();
// generate the CSDL
string csdlNamespace = modelName + "Model";
string csdlEntityContainerName = modelName + "Entities";
EntityModelSchemaGenerator emsg = new EntityModelSchemaGenerator(essg.EntityContainer, csdlNamespace, csdlEntityContainerName);
emsg.GenerateForeignKeyProperties = includeForeignKeys;
csdlAndMslErrors = emsg.GenerateMetadata(version);
// detect if there are errors or only warnings from csdl/msl generation
bool hasCsdlErrors = false;
bool hasCsdlWarnings = false;
if (csdlAndMslErrors != null)
{
foreach (EdmSchemaError e in csdlAndMslErrors)
{
if (e.Severity == EdmSchemaErrorSeverity.Error)
{
hasCsdlErrors = true;
}
else if (e.Severity == EdmSchemaErrorSeverity.Warning)
{
hasCsdlWarnings = true;
}
}
}
// write out errors & warnings
if (hasCsdlErrors || hasCsdlWarnings)
{
errors.AddRange(csdlAndMslErrors);
}
// if there were errors, abort. Don't abort if there were only warnigns.
if (hasCsdlErrors)
{
return true;
}
// write CSDL to a string
StringWriter csdl = new StringWriter();
XmlWriter csdlxw = XmlWriter.Create(csdl);
emsg.WriteModelSchema(csdlxw);
csdlxw.Flush();
// write MSL to a string
StringWriter msl = new StringWriter();
XmlWriter mslxw = XmlWriter.Create(msl);
emsg.WriteStorageMapping(mslxw);
mslxw.Flush();
// write csdl, ssdl & msl to the EDMX file. A default Designer section will be added
modelOut = ToEdmx(csdl.ToString(), ssdl.ToString(), msl.ToString(), String.Empty);
return false;
}
