public void SaveFile(File file)
{
using (DeepBlueEntities context = new DeepBlueEntities()) {
if (file.FileID == 0) {
context.Files.AddObject(file);
}
else {
// Define an ObjectStateEntry and EntityKey for the current object.
EntityKey key = default(EntityKey);
object originalItem = null;
key = context.CreateEntityKey("Files", file);
// Get the original item based on the entity key from the context
// or from the database.
if (context.TryGetObjectByKey(key, out originalItem)) {
// Call the ApplyCurrentValues method to apply changes
// from the updated item to the original version.
context.ApplyCurrentValues(key.EntitySetName, file);
}
}
context.SaveChanges();
}
}
private IEnumerable<ErrorInfo> Validate(File file)
{
return ValidationHelper.Validate(file);
}