Insert Action in EF Code First

InsertActionEF-CodeFirst.cs

public override void Up()
{
	var actions = new Dictionary<string, string>() {
		{ "ActionName", "توضیح" }
  };
	using (CRMEntities db = new CRMEntities())
	{
		foreach (var item in actions)
		{
			var actionItem = db.Actions.FirstOrDefault(a => a.ActionName == item.Key);
			if (actionItem != null)
				return;

			db.Actions.Add(new Core.Action
			{
				ActionName = item.Key,
				ApplicationId = Guid.Parse("124035CB-7903-44CD-97CE-FDC01571900F"),
				CategoryId = 10,
				Description = item.Value
			});

			db.SaveChanges();
		}
	}
}

public override void Down()
{
	using (CRMEntities db = new CRMEntities())
	{
		var actionsToDelete = new List<String>() { "َActionName", "ActionName", "ActionName" };
		foreach (var item in actionsToDelete)
		{
			var actionItem = db.Actions.FirstOrDefault(a => a.ActionName == item);
			if (actionItem != null)
			{
				db.Actions.Remove(actionItem);
				db.SaveChanges();
			}
		}
	}
}