Los cambios en la base de datos se cometieron con éxito, pero un error al actualizar el contexto del objeto. ObjectContext podría estar en un estado incoherente. Mensaje de excepción interno: los cambios de aceptación no pueden continuar porque los valores de las claves del objeto entran en conflicto con otro objeto en ObjectStateManager. Asegúrese de que los valores de clave sean únicos antes de llamar a AcceptChanges.AcceptChanges no pueden continuar porque los valores clave de conflictos del objeto con otro objeto en el ObjectStateManager
Es el mensaje de error que recibo. aquí están las dos funciones que uso ...
public IList<string> GenerateVersions(decimal id, decimal fId, string folderName, string filename, string objFile)
{
List<string> generatedFiles = new List<string>();
foreach (var tCmdSets in db.IMG_SETTINGS_CMDSETS.Where("it.SETTINGS_FOLDER_ID = @folderid", new ObjectParameter("folderid", id)))
{
var strDestinationPath = ImageResizer.Util.PathUtils.RemoveExtension(Path.Combine(tmpDefaultFolder, tCmdSets.SETTINGS_CMDSET_DESTINATION, filename));
ResizeSettings objResizeCommand = new ResizeSettings(tCmdSets.SETTINGS_CMDSET_COMMAND);
var strCreatedFile = ImageBuilder.Current.Build(objFile, strDestinationPath, objResizeCommand, false, true);
generatedFiles.Add("### File created: (" + folderName + " » " + tCmdSets.SETTINGS_CMDSET_NAME + " ») " + Path.GetFileName(strCreatedFile));
IMG_UPLOAD_GENERATED_FILES tObjGenerated = new IMG_UPLOAD_GENERATED_FILES();
tObjGenerated.UPLOAD_GENERATED_FILE_NAME = Path.GetFileName(strCreatedFile);
tObjGenerated.UPLOAD_GENERATED_PATH = Path.GetDirectoryName(strCreatedFile);
tObjGenerated.SETTINGS_CMDSET_ID = tCmdSets.SETTINGS_CMDSET_ID;
tObjGenerated.UPLOAD_FILE_ID = fId;
dbHandler.IMG_UPLOAD_GENERATED_FILES.AddObject(tObjGenerated);
dbHandler.SaveChanges();
}
return generatedFiles;
}
public ActionResult UploadBulkFiles(decimal id)
{
IMG_SETTINGS_FOLDERS img_settings_folders = db.IMG_SETTINGS_FOLDERS.Single(i => i.SETTINGS_FOLDER_ID == id);
string strBulkDirectory = Path.Combine(tmpDefaultFolder, img_settings_folders.SETTINGS_FOLDER_BULK);
string[] objFiles = Directory.GetFiles(strBulkDirectory);
List<string> lstOuput = new List<string>();
foreach (var tFile in objFiles)
{
System.IO.File.Move(tFile, Path.Combine(tmpDefaultFolder, "masters", img_settings_folders.SETTINGS_FOLDER_NAME, Path.GetFileName(tFile)));
lstOuput.Add("### File moved to masters (" + img_settings_folders.SETTINGS_FOLDER_NAME + " ») " + Path.GetFileName(tFile));
IMG_UPLOAD_FILES tObjUploadedFile = new IMG_UPLOAD_FILES();
tObjUploadedFile.UPLOAD_FILE_NAME = Path.GetFileName(tFile);
tObjUploadedFile.SETTINGS_FOLDER_ID = img_settings_folders.SETTINGS_FOLDER_ID;
dbHandler.IMG_UPLOAD_FILES.AddObject(tObjUploadedFile);
dbHandler.SaveChanges();
var objGeneratedFiles = GenerateVersions(img_settings_folders.SETTINGS_FOLDER_ID,tObjUploadedFile.UPLOAD_FILE_ID, img_settings_folders.SETTINGS_FOLDER_NAME, Path.GetFileName(tFile), Path.Combine(tmpDefaultFolder, "masters", img_settings_folders.SETTINGS_FOLDER_NAME, Path.GetFileName(tFile)));
lstOuput.AddRange(objGeneratedFiles);
}
if (lstOuput.Count > 0)
{
return PartialView("UploadSingleFile", lstOuput);
}
else
{
return PartialView("NoUploads");
}
}
MODELO DE DATOS
IMG_UPLOAD_FILE
- UPLOAD_FILE_ID (PK)
- UPLOAD_FILE_NAME
- SETTINGS_FOLDER_ID
IMG_UPLOAD_GENER ATED_FILES
- UPLOAD_GENERATED_FILE_ID (PK)
- UPLOAD_GENERATED_FILE_NAME
- UPLOAD_GENERATED_FILE_PATH
- SETTINGS_CMDSET_ID
- UPLOAD_FILE_ID
Leer este tema para responder a su pregunta http://stackoverflow.com/questions/3011764/autonumber-with-entity-framework –